H, A.; NAHARIA; HASNIAH. PENINGKATAN HASIL BELAJAR SISWA MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING DI SMA NEGERI 20 PANGKEP. JURNAL ILMIAH PENA, [S. l.], v. 14, n. 1, p. 42-47, 2023. Disponível em: https://ojs.unpatompo.ac.id/index.php/jip/article/view/144. Acesso em: 7 jul. 2024.