Sari, Helmina, Syarifa Wahidah Al Idrus, and Rahmawati Rahmawati. “Pengembangan Modul Pembelajaran Kimia Berbasis Model Problem Based Learning (PBL) Pada Materi Koloid”. Chemistry Education Practice 5, no. 1 (May 30, 2022): 99–106. Accessed November 22, 2024. http://jurnalfkip.unram.ac.id/index.php/CEP/article/view/2697.