IRAWAN, M. . Penerapan Model Pembelajaran Problem Based Learning dalam Meningkatkan Hasil Belajar pada Mata Pelajaran PAI di SMP N 1 Tigo Nagari. EduSpirit : Jurnal Pendidikan Kolaboratif, [S. l.], v. 1, n. 2, p. 431–438, 2024. Disponível em: https://journal.makwafoundation.org/index.php/eduspirit/article/view/767. Acesso em: 9 jul. 2025.