Purwandari, Wahyu. “Implementation of Problem Based Learning (PBL) Learning Model in Mathematics Subjects at Madrasah Ibtidaiyah”. EDUCARE: Journal of Primary Education 4, no. 2 (December 2, 2023): 107–122. Accessed November 21, 2024. https://educare.uinkhas.ac.id/index.php/jie/article/view/242.