SYAFII, Muhammad. The Application of the Problem-Based Learning Model to Improve Learning Outcomes in Islamic Education and Character Building. Jurnal Keprofesian Guru Keagamaan, [S. l.], v. 3, n. 2, p. 79–91, 2024. DOI: 10.15575/jkgk.v3i2.652. Disponível em: https://ejournal.uinsgd.ac.id/index.php/jkgk/article/view/652. Acesso em: 12 jan. 2026.