Harahap H, Hasibuan M, Hasibuan E. Implementation of Problem Based Learning Model to Improve Student Learning Outcomes in Islamic Education Learning at SD Negeri 1401 Harang Julu. IJESH [Internet]. 2024 Sep. 30 [cited 2025 Feb. 22];1(3):115-21. Available from: https://journal.mgedukasia.or.id/index.php/ijesh/article/view/396