Junaidi Marbun, Dewi Sarina, Ahmad Sabri, and Sasmi Nelwati. “Improving the Quality of PAI-BP Learning in the Independent Curriculum Through the Implementation of the Portfolio Learning Model”. al-Afkar, Journal For Islamic Studies 8, no. 3 (July 3, 2025): 46–56. Accessed June 10, 2026. https://mail.al-afkar.com/index.php/Afkar_Journal/article/view/1482.