Harefa, Afnan Hariadi, Anggi Melati, and Muhammad Iqbal Nasution. “Efforts to Improve Students’ Learning Outcomes in Islamic Religious Education Using the Problem Based Learning Model at SD Negeri 084081 Sibolga”. Jurnal Pendidikan Profesi Guru 1, no. 2 (July 31, 2024): 37–43. Accessed February 23, 2025. https://journal.ar-raniry.ac.id/ppg/article/view/6698.