Mardi, Hastuti. Improving Student Learning Outcomes Using the Problem Based Learning Model in Islamic Learning at SMP Negeri 1 Sungai Mas. ETNOPEDAGOGI [Internet]. 2024 Apr. 30 [cited 2025 Oct. 1];1(2):23-34. Available from: https://journal.mgedukasia.or.id/index.php/etnopedagogi/article/view/442