Nopriyanti, and Harlin. “PENGEMBANGAN MATERI AJAR SISTEM PEMINDAH TENAGA BERBASIS E-LEARNING DI PROGRAM STUDI PENDIDIKAN TEKNIK MESIN”. Jurnal Pendidikan Teknik Mesin 5, no. 2 (November 8, 2018). Accessed July 12, 2025. https://jptm.ejournal.unsri.ac.id/index.php/jptm/article/view/106.