Sari, Helmina, Syarifa Wahidah Al Idrus, and Rahmawati Rahmawati. 2022. “Pengembangan Modul Pembelajaran Kimia Berbasis Model Problem Based Learning (PBL) Pada Materi Koloid”. Chemistry Education Practice 5 (1):99-106. https://doi.org/10.29303/cep.v5i1.2697.