Muhammad Nurul Huda, Nasyariah Siregar, and Rusmanto Rusmanto. “Efforts to Improve Students’ Learning Motivation by Implementing the Problem-Based Learning Model in Elementary Schools”. al-Afkar, Journal For Islamic Studies 9, no. 3 (July 4, 2026): 85–103. Accessed July 4, 2026. http://al-afkar.com/index.php/Afkar_Journal/article/view/3384.