Lukman Khakim, and Aang Kunaepi. “Student Centered Learning in Islamic Education: The Impact of Problem-Based Learning on Engagement and Achievement”. Research Journal on Teacher Professional Development 4, no. 01 (May 8, 2026): 93–110. Accessed June 12, 2026. https://journal.walisongo.ac.id/index.php/rjtpd/article/view/24880.