BARORO, Ulfa zuaimah. PENGEMBANGAN MODUL KIMIA MATERI SISTEM KOLOID BERBASIS PROBLEM BASED LEARNING (PBL) DI KELAS XI MIPA 4 SMA. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 7, n. 1, p. 1–11, 2019. DOI: 10.33394/hjkk.v7i1.1204. Disponível em: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/1204. Acesso em: 16 aug. 2025.