Leonda, Mohamad Ardian, Desnita Desnita, and Agus Setyo Budi. “PENGEMBANGAN MODUL BERBASIS PROBLEM BASED LEARNING UNTUK MATERI USAHA DAN ENERGI DI SMA (SESUAI KURIKULUM 2013)”. Joint Prosiding IPS dan Seminar Nasional Fisika 4 (October 30, 2015): SNF2015–II. Accessed October 1, 2026. https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/4993.