Ramadani, O. ., V. P. Ramadanti, S. O. Sagita Putri, S. A. Febriani, and upich sepfitri rizpevicha. “Penerapan Model Pembelajaran Problem Based Learning (PBL) Terhadap Materi Kimia Sistem Koloid”. Almufi Jurnal Pendidikan, vol. 5, no. 1, Aug. 2026, pp. 13-19, https://www.book.almufi.com/index.php/AJP/article/view/201.