Harum, and Bahrudin. “Enhancing Akidah and Akhlak Understanding Through Problem-Based Learning Model at MIS Hizbul Wathan NW”. EduSpirit : Jurnal Pendidikan Kolaboratif 2, no. 3 (May 30, 2025): 605–612. Accessed December 6, 2025. https://journal.makwafoundation.org/index.php/eduspirit/article/view/1580.