DIGITALLY FILE EXTRACTION OPTIMISED WITH GPT-4O BASED MOBILE APPLICATION FOR RELEVANT EXERCISE PROBLEM GENERATION. jitk [Internet]. 28 Februari 2025 [dikutip 11 Februari 2026];10(3):719-27. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/jitk/article/view/6101