Pakpahan BMT, Yulia E, Purba S. Kelayakan Modul Pembelajaran Digital Mata Kuliah Ilmu Bahan Otomotif . JPDK [Internet]. 2022 Nov. 8 [cited 2026 Jan. 31];4(6):2152-7. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8519