1.
Ritonga P, Siregar AS, Hasibuan M. Application of the Problem Based Learning Model in Islamic Religious Education to Increase Student Learning Activities at SD Negeri 02 Ulumahuam. jppg [Internet]. 2024 Jul. 31 [cited 2025 Apr. 28];2(2):16-22. Available from: https://journal.ar-raniry.ac.id/ppg/article/view/6671