SHAFITRI, S.; BADARIAH, B. Pengaruh Model Pembelajaran Problem Based Learning terhadap Hasil Belajar Biologi Siswa pada Materi Pencemaran Lingkungan. SENTRI: Jurnal Riset Ilmiah, [S. l.], v. 5, n. 9, p. 4742–4750, 2026. DOI: 10.55681/sentri.v5i9.7049. Disponível em: https://ejournal.nusantaraglobal.ac.id/index.php/sentri/article/view/7049. Acesso em: 12 oct. 2026.