RIVALDO, R.; RIDHA, A. Problem Based Learning Solutions to Improve Student Learning Outcomes. Ahlussunnah: Journal of Islamic Education, [S. l.], v. 3, n. 3, p. 126–132, 2024. DOI: 10.58485/jie.v3i3.290. Disponível em: https://www.ejournal.stitahlussunnah.ac.id/index.php/JIE/article/view/290. Acesso em: 4 aug. 2025.