Romatua, Pittor, Herianto, and Saddam Husein Nasution. “Application of the Problem Based Learning Model to Learning Achievement in Islamic Religious Education at SD Negeri 100808 Aek Nabara”. MADINA : Journal of Islamic Studies 1, no. 2 (December 31, 2024): 126–131. Accessed March 10, 2025. https://journal.mgedukasia.or.id/index.php/madina/article/view/360.