Simatupang, M., Ajisman and Nasution, R. S. H. (2023) “Improving Student Learning Outcomes by Using the Problem Based Learning Method in Islamic Education Learning at SMA Negeri 2 Sibolga”, Jurnal Pendidikan Profesi Guru, 1(2), pp. 16–22. doi: 10.22373/jppg.v1i2.6696.