MAHFUZ HAZEMI ALIM. PENERAPAN MODEL PROBLEM BASED LEARNING ( PBL) TERHADAP HASIL BELAJAR SISWA PADA MATERI PENCEMARAN AIR DI SMPS ISLAM QIBLATUL MUSTAQIM. Jurnal Biologi Konstektual (JBK), [S. l.], v. 3, n. 1, p. 48–52, 2021. Disponível em: https://e-journal.unmas.ac.id/index.php/JBK/article/view/8064. Acesso em: 21 may. 2024.