diff --git a/app/Http/Controllers/Api/ApplianceController.php b/app/Http/Controllers/Api/ApplianceController.php
index a5d8d5f..9720e04 100644
--- a/app/Http/Controllers/Api/ApplianceController.php
+++ b/app/Http/Controllers/Api/ApplianceController.php
@@ -77,6 +77,12 @@ public function editDate(Request $request, $id)
         $startDate = Carbon::parse($request->start_date);
         $endDate = Carbon::parse($request->end_date);
 
+        if ($startDate->greaterThanOrEqualTo($endDate)) {
+            return response()->json([
+                    'message' => 'The start date cannot be later than or equal to the end date.',
+                ], 400);
+        }
+
         // Check if the start and end dates overlap with any other company's internship dates
         $overlapCheck = $user->internDates()->where('company_id', '!=', $id)
             ->where(function ($query) use ($startDate, $endDate) {
diff --git a/app/Http/Controllers/Api/ExportController.php b/app/Http/Controllers/Api/ExportController.php
index c644b12..c9b3464 100644
--- a/app/Http/Controllers/Api/ExportController.php
+++ b/app/Http/Controllers/Api/ExportController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Api;
 
 // use ZipArchive;
+use Barryvdh\DomPDF\Facade\Pdf as DomPdfFacade;
 use mikehaertl\pdftk\Pdf;
 use Carbon\Carbon;
 
@@ -29,7 +30,7 @@ public function pdfSingleCompany(Request $request, $id)
         $companyId = $id;
         $company = $user->companies()->find($companyId);
         if (!$company) {
-            return response()->json(['error' => 'Company not found!'], 404);
+            return response()->json(['message' => 'Company not found!'], 404);
         }
 
         $internDate = $user->internDates()->where('company_id', $companyId)->first();
@@ -46,7 +47,7 @@ public function pdfSingleCompany(Request $request, $id)
             ->values();
 
         if ($presences->isEmpty()) {
-            return response()->json(['error' => 'No presences found!'], 404);
+            return response()->json(['message' => 'No presences found!'], 404);
         }
 
         $journals = $user->journals()
@@ -58,7 +59,7 @@ public function pdfSingleCompany(Request $request, $id)
             ->values();
         
         if ($journals->isEmpty()) {
-            return response()->json(['error' => 'No journals found!'], 404);
+            return response()->json(['message' => 'No journals found!'], 404);
         }
 
         $parentAddress =  $request->input('parent_address') ?? $user->address;
@@ -70,8 +71,8 @@ public function pdfSingleCompany(Request $request, $id)
         $formFields = [
            'namasiswa' => $user->name,
             'kelas' => $courseLevel,
-            'nis' => $request->input('nis'),
-            'nis_nisn' => $request->input('nis') . '/' . $request->input('nisn'),
+            'nis' => $user->nis,
+            'nis_nisn' => $user->nis . '/' . $request->input('nisn'),
             'gol_darah' => $request->input('blood_type'),
             'alamat_siswa' => $user->address,
             'jurusan' => $user->departments->first()?->description,
@@ -115,7 +116,7 @@ public function pdfSingleCompany(Request $request, $id)
         }
 
         if (!file_exists($templatePath)) {
-            return response()->json(['error' => 'PDF template not found!'], 404);
+            return response()->json(['message' => 'PDF template not found!'], 404);
         }
 
         $fileName = $user->id . time() . '.pdf';
@@ -125,7 +126,7 @@ public function pdfSingleCompany(Request $request, $id)
         $result = $pdf->fillForm($formFields)->flatten()->saveAs($outputPath);
         if (!$result) {
             $error = $pdf->getError();
-            return response()->json(['error' => 'Failed to generate PDF: ' . $error], 500);
+            return response()->json(['message' => 'Failed to generate PDF: ' . $error], 500);
         }
 
         return response()->download($outputPath, $fileName)->deleteFileAfterSend(true);
@@ -151,14 +152,14 @@ public function pdfMultipleCompany(Request $request)
         $companies = $user->companies;
     
         if ($companies->isEmpty()) {
-            return response()->json(['error' => 'No companies associated with the user!'], 404);
+            return response()->json(['message' => 'No companies associated with the user!'], 404);
         }
     
         $formFields = [
             'namasiswa' => $user->name,
             'kelas' => $courseLevel,
-            'nis' => $request->input('nis'),
-            'nis_nisn' => $request->input('nis') . '/' . $request->input('nisn'),
+            'nis' => $user->nis,
+            'nis_nisn' => $user->nis . '/' . $request->input('nisn'),
             'gol_darah' => $request->input('blood_type'),
             'alamat_siswa' => $user->address,
             'jurusan' => $user->departments->first()?->description,
@@ -221,7 +222,7 @@ public function pdfMultipleCompany(Request $request)
     
         $templatePath = public_path('template-pdf/template_2-company.pdf');
         if (!file_exists($templatePath)) {
-            return response()->json(['error' => 'PDF template not found!'], 404);
+            return response()->json(['message' => 'PDF template not found!'], 404);
         }
     
         $fileName = $user->id . time() . '.pdf';
@@ -231,10 +232,108 @@ public function pdfMultipleCompany(Request $request)
         $result = $pdf->fillForm($formFields)->flatten()->saveAs($outputPath);
         if (!$result) {
             $error = $pdf->getError();
-            return response()->json(['error' => 'Failed to generate PDF: ' . $error], 500);
+            return response()->json(['message' => 'Failed to generate PDF: ' . $error], 500);
         }
     
         return response()->download($outputPath, $fileName)->deleteFileAfterSend(true);
     }
-    
+    public function exportCertificate(Request $request, $id)
+    {
+        $user = auth()->user();
+        $company = $user->companies()->find($id);
+
+        if (!$company) {
+            return response()->json(['message' => 'Company not found!'], 404);
+        }
+
+        $internDate = $user->internDates()->where('company_id', $id)->first();
+        $scores = $user->scores()->where('company_id', $id)->get();
+
+        if ($scores->isEmpty()) {
+            return response()->json(['message' => 'Scores not found! Call the mentor to add scores first!'], 400);
+        }
+
+        $averageScore = $scores->avg('score') ?? 0;
+        // $technicalScore = $scores->where('type', 'teknis')->avg('score') ?? 0;
+        // $nonTechnicalScore = $scores->where('type', 'non-teknis')->avg('score') ?? 0;
+
+        $formattedDateOfBirth = $user->date_of_birth
+            ? Carbon::parse($user->date_of_birth)->translatedFormat('j F Y')
+            : 'N/A';
+
+        $formFields = [
+            'nama_siswa' => $user->name,
+            'ttl' => $formattedDateOfBirth,
+            'nis' => $user->nis,
+            'program_studi' => $user->departments->first()?->study_program,
+            'jurusan' => $user->departments->first()?->description,
+            'instansi_nama' => $company->name,
+            'tgl_mulai' => $internDate ? Carbon::parse($internDate->start_date)->translatedFormat('j F Y') : 'N/A',
+            'tgl_selesai' => $internDate ? Carbon::parse($internDate->end_date)->translatedFormat('j F Y') : 'N/A',
+            'tgl_export' => Carbon::now()->translatedFormat('j F Y'),
+            'instansi_direktur' => $company->contact_person,
+            'nilai_all' => number_format($averageScore, 2),
+        ];
+
+        $templatePath = public_path('template-pdf/template_certificate_infront.pdf');
+
+        if (!file_exists($templatePath)) {
+            return response()->json(['message' => 'PDF template not found!'], 404);
+        }
+
+        $fileName = $user->id . '_certificate_' . time() . '.pdf';
+        $outputPathFront = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'front_' . $fileName;
+        $pdfFront = new Pdf($templatePath);
+        $resultFront = $pdfFront->fillForm($formFields)->flatten()->saveAs($outputPathFront);
+
+        if (!$resultFront) {
+            return response()->json(['message' => 'Failed to generate front page PDF: ' . $pdfFront->getError()], 500);
+        }
+
+        // Generate halaman belakang (back) dengan DomPDF
+        $technicalScores = $scores->where('type', 'teknis');
+        $nonTechnicalScores = $scores->where('type', 'non-teknis');
+
+        foreach ($technicalScores as $score) {
+            $score->letter = $this->convertScoreToLetter($score->score);
+        }
+        foreach ($nonTechnicalScores as $score) {
+            $score->letter = $this->convertScoreToLetter($score->score);
+        }
+
+        $pdfBack = DomPdfFacade::loadView('pdf.certificate_back', [
+            'technicalScores' => $technicalScores,
+            'nonTechnicalScores' => $nonTechnicalScores,
+            'avgScore' => number_format($averageScore, 2),
+        ])->setPaper('a4', 'landscape');
+
+        $outputPathBack = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'back_' . $fileName;
+        $pdfBack->save($outputPathBack);
+
+        // Gabungkan PDF depan & belakang
+        $mergedPdfPath = sys_get_temp_dir() . DIRECTORY_SEPARATOR . $fileName;
+        $pdf = new Pdf();
+        $mergeResult = $pdf->addFile($outputPathFront)
+            ->addFile($outputPathBack)
+            ->saveAs($mergedPdfPath);
+
+        if (!$mergeResult) {
+            return response()->json(['message' => 'Failed to merge PDF files: ' . $pdf->getError()], 500);
+        }
+
+        return response()->download($mergedPdfPath, $fileName)->deleteFileAfterSend(true);
+    }
+
+    private function convertScoreToLetter($score)
+    {
+        if ($score >= 90) {
+            return 'Sangat Baik';
+        } elseif ($score >= 75) {
+            return 'Baik';
+        } elseif ($score >= 60) {
+            return 'Cukup';
+        } else {
+            return 'Kurang';
+        }
+    }
 }
diff --git a/app/Http/Controllers/Api/UserController.php b/app/Http/Controllers/Api/UserController.php
index 1be8eda..3f5468d 100644
--- a/app/Http/Controllers/Api/UserController.php
+++ b/app/Http/Controllers/Api/UserController.php
@@ -81,6 +81,7 @@ public function update(Request $request)
             'date_of_birth' => 'date',
             'bio' => 'max:255',
             'skills' => 'nullable',
+            'nis' => 'required|string|unique:users,nis,' . $user->id,
         ]);
 
         $user->update($request->all());
diff --git a/app/Http/Controllers/DepartmentController.php b/app/Http/Controllers/DepartmentController.php
index 44d1d1a..1272584 100644
--- a/app/Http/Controllers/DepartmentController.php
+++ b/app/Http/Controllers/DepartmentController.php
@@ -138,7 +138,8 @@ public function store(Request $request)
             'name' => 'required|max:255',
             'description' => 'nullable|max:255',
             'logo' => 'nullable|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
-            'school_id' => 'required|exists:schools,id'
+            'school_id' => 'required|exists:schools,id',
+            'study_program' => 'nullable|string|max:255',
         ]);
 
         try {
@@ -146,6 +147,7 @@ public function store(Request $request)
                     'name' => $request->name,
                     'description' => $request->description,
                     'school_id' => $request->school_id,
+                    'study_program' => $request->study_program
                 ]);
 
                 if ($request->hasFile('logo')) {
@@ -213,6 +215,7 @@ public function update(Request $request, $id)
             'name' => 'required|max:255',
             'description' => 'nullable|max:255',
             'logo' => 'nullable|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
+            'study_program' => 'nullable|string|max:255',
         ]);
 
         try {
@@ -220,6 +223,7 @@ public function update(Request $request, $id)
             $department->update([
                 'name' => $request->name,
                 'description' => $request->description,
+                'study_program' => $request->study_program
             ]);
 
             if ($request->hasFile('logo')) {
diff --git a/app/Http/Controllers/StudentController.php b/app/Http/Controllers/StudentController.php
index dd84c27..9b55741 100644
--- a/app/Http/Controllers/StudentController.php
+++ b/app/Http/Controllers/StudentController.php
@@ -216,6 +216,7 @@ public function update(Request $request, $id)
 
         $request->validate([
             'name' => 'required|string|max:255',
+            'nis' => 'required|string|unique:users,nis,' . $id,
             'skills' => 'nullable|string',
             'course_id' => 'required|exists:courses,id',
             'companies.*.start_date' => 'nullable|date',
@@ -232,6 +233,7 @@ public function update(Request $request, $id)
             $user->update([
                 'name' => $request->name,
                 'skills' => $request->skills,
+                'nis' => $request->nis
             ]);
             $user->courses()->sync($request->course_id);
 
diff --git a/app/Models/Department.php b/app/Models/Department.php
index 62e3911..ae27c6d 100644
--- a/app/Models/Department.php
+++ b/app/Models/Department.php
@@ -15,6 +15,7 @@ class Department extends Model
         'logo',
         'status',
         'school_id',
+        'study_program',
     ];
 
     public function school()
diff --git a/app/Models/User.php b/app/Models/User.php
index f66719d..a779881 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -32,6 +32,7 @@ class User extends Authenticatable implements MustVerifyEmail
         'date_of_birth',
         'status',
         'skills',
+        'nis',
         'resume',
         'password_by_admin',
         'last_login',
diff --git a/composer.json b/composer.json
index d20322f..65bd550 100644
--- a/composer.json
+++ b/composer.json
@@ -9,6 +9,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.0.2",
+        "barryvdh/laravel-dompdf": "^3.1",
         "cviebrock/eloquent-sluggable": "^10.0",
         "guzzlehttp/guzzle": "^7.2",
         "laravel/fortify": "^1.14",
diff --git a/composer.lock b/composer.lock
index 9d04daa..9b288c9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "20003ba38720bb0f0b87ef46cf44787c",
+    "content-hash": "f0ae84b346491b6bf6b17ae98d5db35e",
     "packages": [
         {
             "name": "bacon/bacon-qr-code",
@@ -60,6 +60,83 @@
             },
             "time": "2024-04-18T11:16:25+00:00"
         },
+        {
+            "name": "barryvdh/laravel-dompdf",
+            "version": "v3.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/barryvdh/laravel-dompdf.git",
+                "reference": "8e71b99fc53bb8eb77f316c3c452dd74ab7cb25d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/barryvdh/laravel-dompdf/zipball/8e71b99fc53bb8eb77f316c3c452dd74ab7cb25d",
+                "reference": "8e71b99fc53bb8eb77f316c3c452dd74ab7cb25d",
+                "shasum": ""
+            },
+            "require": {
+                "dompdf/dompdf": "^3.0",
+                "illuminate/support": "^9|^10|^11|^12",
+                "php": "^8.1"
+            },
+            "require-dev": {
+                "larastan/larastan": "^2.7|^3.0",
+                "orchestra/testbench": "^7|^8|^9|^10",
+                "phpro/grumphp": "^2.5",
+                "squizlabs/php_codesniffer": "^3.5"
+            },
+            "type": "library",
+            "extra": {
+                "laravel": {
+                    "aliases": {
+                        "PDF": "Barryvdh\\DomPDF\\Facade\\Pdf",
+                        "Pdf": "Barryvdh\\DomPDF\\Facade\\Pdf"
+                    },
+                    "providers": [
+                        "Barryvdh\\DomPDF\\ServiceProvider"
+                    ]
+                },
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Barryvdh\\DomPDF\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Barry vd. Heuvel",
+                    "email": "barryvdh@gmail.com"
+                }
+            ],
+            "description": "A DOMPDF Wrapper for Laravel",
+            "keywords": [
+                "dompdf",
+                "laravel",
+                "pdf"
+            ],
+            "support": {
+                "issues": "https://github.com/barryvdh/laravel-dompdf/issues",
+                "source": "https://github.com/barryvdh/laravel-dompdf/tree/v3.1.1"
+            },
+            "funding": [
+                {
+                    "url": "https://fruitcake.nl",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/barryvdh",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-02-13T15:07:54+00:00"
+        },
         {
             "name": "brick/math",
             "version": "0.12.1",
@@ -709,6 +786,161 @@
             ],
             "time": "2024-02-05T11:56:58+00:00"
         },
+        {
+            "name": "dompdf/dompdf",
+            "version": "v3.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/dompdf/dompdf.git",
+                "reference": "a51bd7a063a65499446919286fb18b518177155a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/dompdf/dompdf/zipball/a51bd7a063a65499446919286fb18b518177155a",
+                "reference": "a51bd7a063a65499446919286fb18b518177155a",
+                "shasum": ""
+            },
+            "require": {
+                "dompdf/php-font-lib": "^1.0.0",
+                "dompdf/php-svg-lib": "^1.0.0",
+                "ext-dom": "*",
+                "ext-mbstring": "*",
+                "masterminds/html5": "^2.0",
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "ext-gd": "*",
+                "ext-json": "*",
+                "ext-zip": "*",
+                "mockery/mockery": "^1.3",
+                "phpunit/phpunit": "^7.5 || ^8 || ^9 || ^10 || ^11",
+                "squizlabs/php_codesniffer": "^3.5",
+                "symfony/process": "^4.4 || ^5.4 || ^6.2 || ^7.0"
+            },
+            "suggest": {
+                "ext-gd": "Needed to process images",
+                "ext-gmagick": "Improves image processing performance",
+                "ext-imagick": "Improves image processing performance",
+                "ext-zlib": "Needed for pdf stream compression"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Dompdf\\": "src/"
+                },
+                "classmap": [
+                    "lib/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-2.1"
+            ],
+            "authors": [
+                {
+                    "name": "The Dompdf Community",
+                    "homepage": "https://github.com/dompdf/dompdf/blob/master/AUTHORS.md"
+                }
+            ],
+            "description": "DOMPDF is a CSS 2.1 compliant HTML to PDF converter",
+            "homepage": "https://github.com/dompdf/dompdf",
+            "support": {
+                "issues": "https://github.com/dompdf/dompdf/issues",
+                "source": "https://github.com/dompdf/dompdf/tree/v3.1.0"
+            },
+            "time": "2025-01-15T14:09:04+00:00"
+        },
+        {
+            "name": "dompdf/php-font-lib",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/dompdf/php-font-lib.git",
+                "reference": "6137b7d4232b7f16c882c75e4ca3991dbcf6fe2d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/dompdf/php-font-lib/zipball/6137b7d4232b7f16c882c75e4ca3991dbcf6fe2d",
+                "reference": "6137b7d4232b7f16c882c75e4ca3991dbcf6fe2d",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "php": "^7.1 || ^8.0"
+            },
+            "require-dev": {
+                "symfony/phpunit-bridge": "^3 || ^4 || ^5 || ^6"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "FontLib\\": "src/FontLib"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-2.1-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "The FontLib Community",
+                    "homepage": "https://github.com/dompdf/php-font-lib/blob/master/AUTHORS.md"
+                }
+            ],
+            "description": "A library to read, parse, export and make subsets of different types of font files.",
+            "homepage": "https://github.com/dompdf/php-font-lib",
+            "support": {
+                "issues": "https://github.com/dompdf/php-font-lib/issues",
+                "source": "https://github.com/dompdf/php-font-lib/tree/1.0.1"
+            },
+            "time": "2024-12-02T14:37:59+00:00"
+        },
+        {
+            "name": "dompdf/php-svg-lib",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/dompdf/php-svg-lib.git",
+                "reference": "eb045e518185298eb6ff8d80d0d0c6b17aecd9af"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/dompdf/php-svg-lib/zipball/eb045e518185298eb6ff8d80d0d0c6b17aecd9af",
+                "reference": "eb045e518185298eb6ff8d80d0d0c6b17aecd9af",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "php": "^7.1 || ^8.0",
+                "sabberworm/php-css-parser": "^8.4"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Svg\\": "src/Svg"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "The SvgLib Community",
+                    "homepage": "https://github.com/dompdf/php-svg-lib/blob/master/AUTHORS.md"
+                }
+            ],
+            "description": "A library to read, parse and export to PDF SVG files.",
+            "homepage": "https://github.com/dompdf/php-svg-lib",
+            "support": {
+                "issues": "https://github.com/dompdf/php-svg-lib/issues",
+                "source": "https://github.com/dompdf/php-svg-lib/tree/1.0.0"
+            },
+            "time": "2024-04-29T13:26:35+00:00"
+        },
         {
             "name": "dragonmantank/cron-expression",
             "version": "v3.3.3",
@@ -2683,6 +2915,73 @@
             },
             "time": "2022-12-02T22:17:43+00:00"
         },
+        {
+            "name": "masterminds/html5",
+            "version": "2.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Masterminds/html5-php.git",
+                "reference": "f5ac2c0b0a2eefca70b2ce32a5809992227e75a6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Masterminds/html5-php/zipball/f5ac2c0b0a2eefca70b2ce32a5809992227e75a6",
+                "reference": "f5ac2c0b0a2eefca70b2ce32a5809992227e75a6",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "php": ">=5.3.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7.21 || ^6 || ^7 || ^8 || ^9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.7-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Masterminds\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Matt Butcher",
+                    "email": "technosophos@gmail.com"
+                },
+                {
+                    "name": "Matt Farina",
+                    "email": "matt@mattfarina.com"
+                },
+                {
+                    "name": "Asmir Mustafic",
+                    "email": "goetas@gmail.com"
+                }
+            ],
+            "description": "An HTML5 parser and serializer.",
+            "homepage": "http://masterminds.github.io/html5-php",
+            "keywords": [
+                "HTML5",
+                "dom",
+                "html",
+                "parser",
+                "querypath",
+                "serializer",
+                "xml"
+            ],
+            "support": {
+                "issues": "https://github.com/Masterminds/html5-php/issues",
+                "source": "https://github.com/Masterminds/html5-php/tree/2.9.0"
+            },
+            "time": "2024-03-31T07:05:07+00:00"
+        },
         {
             "name": "meilisearch/meilisearch-php",
             "version": "v1.10.0",
@@ -4571,6 +4870,71 @@
             ],
             "time": "2024-04-27T21:32:50+00:00"
         },
+        {
+            "name": "sabberworm/php-css-parser",
+            "version": "v8.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MyIntervals/PHP-CSS-Parser.git",
+                "reference": "f414ff953002a9b18e3a116f5e462c56f21237cf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MyIntervals/PHP-CSS-Parser/zipball/f414ff953002a9b18e3a116f5e462c56f21237cf",
+                "reference": "f414ff953002a9b18e3a116f5e462c56f21237cf",
+                "shasum": ""
+            },
+            "require": {
+                "ext-iconv": "*",
+                "php": "^5.6.20 || ^7.0.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "5.7.27 || 6.5.14 || 7.5.20 || 8.5.40"
+            },
+            "suggest": {
+                "ext-mbstring": "for parsing UTF-8 CSS"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "9.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Sabberworm\\CSS\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Raphael Schweikert"
+                },
+                {
+                    "name": "Oliver Klee",
+                    "email": "github@oliverklee.de"
+                },
+                {
+                    "name": "Jake Hotson",
+                    "email": "jake.github@qzdesign.co.uk"
+                }
+            ],
+            "description": "Parser for CSS Files written in PHP",
+            "homepage": "https://www.sabberworm.com/blog/2010/6/10/php-css-parser",
+            "keywords": [
+                "css",
+                "parser",
+                "stylesheet"
+            ],
+            "support": {
+                "issues": "https://github.com/MyIntervals/PHP-CSS-Parser/issues",
+                "source": "https://github.com/MyIntervals/PHP-CSS-Parser/tree/v8.7.0"
+            },
+            "time": "2024-10-27T17:38:32+00:00"
+        },
         {
             "name": "spatie/laravel-permission",
             "version": "5.11.1",
@@ -9822,12 +10186,12 @@
     ],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
         "php": "^8.0.2"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "plugin-api-version": "2.6.0"
 }
diff --git a/database/migrations/2025_02_23_152615_add_study_program_to_departments_table.php b/database/migrations/2025_02_23_152615_add_study_program_to_departments_table.php
new file mode 100644
index 0000000..1c4336a
--- /dev/null
+++ b/database/migrations/2025_02_23_152615_add_study_program_to_departments_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('departments', function (Blueprint $table) {
+            $table->string('study_program')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('departments', function (Blueprint $table) {
+            $table->dropColumn('study_program');
+        });
+    }
+};
diff --git a/database/migrations/2025_02_23_152744_add_nis_to_users_table.php b/database/migrations/2025_02_23_152744_add_nis_to_users_table.php
new file mode 100644
index 0000000..de5ee66
--- /dev/null
+++ b/database/migrations/2025_02_23_152744_add_nis_to_users_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('nis')->unique()->nullable()->after('skills');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropColumn('nis');
+        });
+    }
+};
diff --git a/public/template-pdf/template_2-company.pdf b/public/template-pdf/template_2-company.pdf
index b73ed10..a2b37ff 100644
Binary files a/public/template-pdf/template_2-company.pdf and b/public/template-pdf/template_2-company.pdf differ
diff --git a/public/template-pdf/template_3_month.pdf b/public/template-pdf/template_3_month.pdf
index fc6ed6e..bd6bdd0 100644
Binary files a/public/template-pdf/template_3_month.pdf and b/public/template-pdf/template_3_month.pdf differ
diff --git a/public/template-pdf/template_6_month.pdf b/public/template-pdf/template_6_month.pdf
index aca27eb..033cbb2 100644
Binary files a/public/template-pdf/template_6_month.pdf and b/public/template-pdf/template_6_month.pdf differ
diff --git a/public/template-pdf/template_certificate_infront.pdf b/public/template-pdf/template_certificate_infront.pdf
new file mode 100644
index 0000000..73c6998
Binary files /dev/null and b/public/template-pdf/template_certificate_infront.pdf differ
diff --git a/resources/views/departments/create.blade.php b/resources/views/departments/create.blade.php
index 7e0a90c..3f39c10 100644
--- a/resources/views/departments/create.blade.php
+++ b/resources/views/departments/create.blade.php
@@ -1,11 +1,12 @@
 @extends('layouts.dashboard')
 
 @section('dashboard-content')
-    <x-form.form formTitle="Tambah Kompetensi Keahlian" formMethod="POST" formAction="{{ route('departments.store') }}">
-        <x-slot:formBody>
-            <x-form.input-base label="Nama" id="input-name" type="text" name="name" placeholder="PPLG"/>
-            <x-form.input-base label="Deskripsi" id="input-description" type="text" name="description" placeholder="Pengembangan Perangkat Lunak dan Gim"/>
-            <input hidden type="text" name="school_id" value="{{ decrypt(request()->query('school')) }}">
-        </x-slot:formBody>
-    </x-form.form>
-@endsection
+<x-form.form formTitle="Tambah Kompetensi Keahlian" formMethod="POST" formAction="{{ route('departments.store') }}">
+    <x-slot:formBody>
+        <x-form.input-base label="Nama" id="input-name" type="text" name="name" placeholder="SIJA" />
+        <x-form.input-base label="Deskripsi" id="input-description" type="text" name="description" placeholder="Sistem Informatika Jaringan dan Aplikasi" />
+        <x-form.input-base label="Program Studi Keahlian" id="input-program" type="text" name="study_program" placeholder="Pengembangan Perangkat Lunak dan Gim" />
+        <input hidden type="text" name="school_id" value="{{ decrypt(request()->query('school')) }}">
+    </x-slot:formBody>
+</x-form.form>
+@endsection
\ No newline at end of file
diff --git a/resources/views/departments/edit.blade.php b/resources/views/departments/edit.blade.php
index f59aff2..e9471ed 100644
--- a/resources/views/departments/edit.blade.php
+++ b/resources/views/departments/edit.blade.php
@@ -1,12 +1,13 @@
 @extends('layouts.dashboard')
 
 @section('dashboard-content')
-    <x-form.form formTitle="Edit Kompetensi Keahlian" formMethod="POST" spoofMethod="PUT"
-        formAction="{{ route('departments.update', encrypt($department->id)) }}">
-        <x-slot:formBody>
-            <x-form.input-base label="Nama" id="input-name" type="text" name="name" placeholder="PPLG" value="{{ $department->name }}" />
-            <x-form.input-base label="Deskripsi" id="input-description" type="text" name="description" placeholder="Pengembangan Perangkat Lunak dan Gim" value="{{ $department->description }}"/>
-            <input hidden type="text" name="school_id" value="{{ $department->school_id }}">
-        </x-slot:formBody>
-    </x-form.form>
-@endsection
+<x-form.form formTitle="Edit Kompetensi Keahlian" formMethod="POST" spoofMethod="PUT"
+    formAction="{{ route('departments.update', encrypt($department->id)) }}">
+    <x-slot:formBody>
+        <x-form.input-base label="Nama" id="input-name" type="text" name="name" placeholder="SIJA" value="{{ $department->name }}" />
+        <x-form.input-base label="Deskripsi" id="input-description" type="text" name="description" placeholder="Sistem Informatika Jaringan dan Aplikasi" value="{{ $department->description }}" />
+        <x-form.input-base label="Program Studi Keahlian" id="input-program" type="text" name="study_program" placeholder="Pengembangan Perangkat Lunak dan Gim" value="{{ $department->study_program }}" />
+        <input hidden type="text" name="school_id" value="{{ $department->school_id }}">
+    </x-slot:formBody>
+</x-form.form>
+@endsection
\ No newline at end of file
diff --git a/resources/views/pdf/certificate_back.blade.php b/resources/views/pdf/certificate_back.blade.php
new file mode 100644
index 0000000..78f1cf6
--- /dev/null
+++ b/resources/views/pdf/certificate_back.blade.php
@@ -0,0 +1,128 @@
+<!DOCTYPE html>
+<html lang="id">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Daftar Nilai</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            font-size: 14px;
+        }
+
+        table {
+            width: 100%;
+            border-collapse: collapse;
+            table-layout: fixed;
+        }
+
+        th,
+        td {
+            border: 1px solid black;
+            padding: 6px;
+            text-align: center;
+            word-wrap: break-word;
+        }
+
+        th {
+            font-weight: bold;
+        }
+
+        h3 {
+            text-align: center;
+            font-size: 18px;
+        }
+
+        .text-left {
+            text-align: left;
+        }
+
+        .keterangan {
+            font-size: 12px;
+            margin-top: 10px;
+        }
+
+        @page {
+            size: A4 landscape;
+            margin: 1cm 3.5cm;
+        }
+
+        .col-no {
+            width: 10%;
+        }
+
+        .col-kemampuan {
+            width: 60%;
+        }
+
+        .col-nilai-angka {
+            width: 15%;
+        }
+
+        .col-nilai-huruf {
+            width: 15%;
+        }
+    </style>
+</head>
+
+<body>
+    <h3>DAFTAR NILAI<br>PRAKTIK KERJA LAPANGAN (PKL) / MAGANG TAHUN PELAJARAN 2024/2025</h3>
+
+    <h4>A. ASPEK TEKNIS</h4>
+    <table>
+        <tr>
+            <th class="col-no" rowspan="2">No.</th>
+            <th class="col-kemampuan" rowspan="2">Kemampuan</th>
+            <th class="col-nilai-angka" colspan="2">Nilai</th>
+        </tr>
+        <tr>
+            <th>Angka</th>
+            <th>Huruf</th>
+        </tr>
+        @foreach ($technicalScores as $index => $score)
+        <tr>
+            <td>{{ $loop->iteration }}</td>
+            <td class="text-left">{{ $score->name }}</td>
+            <td>{{ $score->score }}</td>
+            <td>{{ $score->letter }}</td>
+        </tr>
+        @endforeach
+    </table>
+
+    <h4>B. ASPEK NONTEKNIS</h4>
+    <table>
+        <tr>
+            <th class="col-no" rowspan="2">No.</th>
+            <th class="col-kemampuan" rowspan="2">Kemampuan</th>
+            <th class="col-nilai-angka" colspan="2">Nilai</th>
+        </tr>
+        <tr>
+            <th>Angka</th>
+            <th>Huruf</th>
+        </tr>
+        @foreach ($nonTechnicalScores as $index => $score)
+        <tr>
+            <td>{{ $loop->iteration }}</td>
+            <td class="text-left">{{ $score->name }}</td>
+            <td>{{ $score->score }}</td>
+            <td>{{ $score->letter }}</td>
+        </tr>
+        @endforeach
+        <tr>
+            <th colspan="2">Jumlah Nilai Rata-Rata</th>
+            <th colspan="2">{{ $avgScore }}</th>
+        </tr>
+    </table>
+
+    <p class="keterangan">
+        <strong>Keterangan:</strong><br>
+        Sangat Baik: 90 - 100 <br>
+        Baik: 75 - 89 <br>
+        Cukup: 60 - 74 <br>
+        Kurang: &lt; 59
+    </p>
+    
+</body>
+
+</html>
\ No newline at end of file
diff --git a/resources/views/students/edit.blade.php b/resources/views/students/edit.blade.php
index cb948c8..75fe33d 100644
--- a/resources/views/students/edit.blade.php
+++ b/resources/views/students/edit.blade.php
@@ -1,46 +1,50 @@
 @extends('layouts.dashboard')
 
 @section('dashboard-content')
-    <x-form.form formTitle="Edit Siswa" formMethod="POST" spoofMethod="PUT" formAction="{{ route('students.update', ['id' => encrypt($student->id)]) }}">
-        @error(['name', 'course_id', 'skills', 'company', 'start_date', 'end_date', 'extend'])
-            <div class="alert alert-dark text-white help-block">{{ $message }}</div>
-        @enderror
-        <x-slot:formBody>
-            @if (auth()->user()->can('user-edit'))
-                <x-form.input-base label="Nama" id="input-name" type="text" name="name" required
-                    value="{{ $student->name }}" />
-                <x-form.select label="Kelas" id="input-course" required name="course_id">
-                    <option selected hidden>Pilih</option>
-                    <x-slot:options>
-                        @foreach ($courses as $key => $value)
-                            <option value="{{ $key }}"
-                                {{ $student->courses()->first()?->id == $key ? 'selected' : '' }}>
-                                {{ $value }}</option>
-                        @endforeach
-                    </x-slot:options>
-                </x-form.select>
-                <x-form.input-base label="Keahlian (pisahkan dengan koma ',')" id="input-skills" type="text"
-                    name="skills" value="{{ $student->skills }}"
-                    placeholder="HTML, CSS, JavaScript, PHP, Laravel, MySQL, Bootstrap" />
-            @else
-                <x-form.input-base readonly label="Nama" id="input-name" type="text" name="name" required
-                    value="{{ $student->name }}" />
-                <x-form.select readonly="true" label="Kelas" id="input-course" required name="course_id"
-                    style="pointer-events: none;">
-                    <option selected hidden>Pilih</option>
-                    <x-slot:options>
-                        @foreach ($courses as $key => $value)
-                            <option value="{{ $key }}"
-                                {{ $student->courses()->first()?->id == $key ? 'selected' : 'disabled' }}>
-                                {{ $value }}</option>
-                        @endforeach
-                    </x-slot:options>
-                </x-form.select>
-                <x-form.input-base readonly label="Keahlian (pisahkan dengan koma ',')" id="input-skills" type="text"
-                    name="skills" value="{{ $student->skills }}"
-                    placeholder="HTML, CSS, JavaScript, PHP, Laravel, MySQL, Bootstrap" />
-            @endif
-            <div id="company-section">
+<x-form.form formTitle="Edit Siswa" formMethod="POST" spoofMethod="PUT" formAction="{{ route('students.update', ['id' => encrypt($student->id)]) }}">
+    @error(['name', 'course_id', 'skills', 'company', 'start_date', 'end_date', 'extend'])
+    <div class="alert alert-dark text-white help-block">{{ $message }}</div>
+    @enderror
+    <x-slot:formBody>
+        @if (auth()->user()->can('user-edit'))
+        <x-form.input-base label="Nama" id="input-name" type="text" name="name" required
+            value="{{ $student->name }}" />
+        <x-form.input-base label="NIS" id="input-nis" type="text" name="nis"
+            value="{{ $student->nis }}" />
+        <x-form.select label="Kelas" id="input-course" required name="course_id">
+            <option selected hidden>Pilih</option>
+            <x-slot:options>
+                @foreach ($courses as $key => $value)
+                <option value="{{ $key }}"
+                    {{ $student->courses()->first()?->id == $key ? 'selected' : '' }}>
+                    {{ $value }}
+                </option>
+                @endforeach
+            </x-slot:options>
+        </x-form.select>
+        <x-form.input-base label="Keahlian (pisahkan dengan koma ',')" id="input-skills" type="text"
+            name="skills" value="{{ $student->skills }}"
+            placeholder="HTML, CSS, JavaScript, PHP, Laravel, MySQL, Bootstrap" />
+        @else
+        <x-form.input-base readonly label="Nama" id="input-name" type="text" name="name" required
+            value="{{ $student->name }}" />
+        <x-form.select readonly="true" label="Kelas" id="input-course" required name="course_id"
+            style="pointer-events: none;">
+            <option selected hidden>Pilih</option>
+            <x-slot:options>
+                @foreach ($courses as $key => $value)
+                <option value="{{ $key }}"
+                    {{ $student->courses()->first()?->id == $key ? 'selected' : 'disabled' }}>
+                    {{ $value }}
+                </option>
+                @endforeach
+            </x-slot:options>
+        </x-form.select>
+        <x-form.input-base readonly label="Keahlian (pisahkan dengan koma ',')" id="input-skills" type="text"
+            name="skills" value="{{ $student->skills }}"
+            placeholder="HTML, CSS, JavaScript, PHP, Laravel, MySQL, Bootstrap" />
+        @endif
+        <div id="company-section">
             @foreach ($companiesData as $company)
             <div class="company-group mb-3 border p-3">
                 <x-form.input-base disabled label="IDUKA" id="input-company-{{ $company['id'] }}" type="text" name="companies[{{ $company['id'] }}][name]" value="{{ $company['name'] }}" />
@@ -66,6 +70,6 @@
             </div>
             @endforeach
         </div>
-        </x-slot:formBody>
-    </x-form.form>
-@endsection
+    </x-slot:formBody>
+</x-form.form>
+@endsection
\ No newline at end of file
diff --git a/routes/api.php b/routes/api.php
index 3f05d43..c5e2d29 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -66,6 +66,7 @@
 
     Route::post('export-journal/{id}', [ExportController::class, 'pdfSingleCompany']);
     Route::post('export-journals', [ExportController::class, 'pdfMultipleCompany']);
+    Route::post('export-certificate/{id}', [ExportController::class, 'exportCertificate']);
 
     Route::get('/today-activities', [PresenceController::class, 'todayActivity']);
     Route::resource('presences', PresenceController::class)->except(['create', 'edit']);