Purba, D.A., Nasution, A.S. and Andriani, N. 2023. Improving Student Learning Outcomes with Problem Based Learning in Islamic Learning at SD Negeri 102112 Sipispis. Jurnal Pendidikan Profesi Guru. 1, 1 (Feb. 2023), 210–217. DOI:https://doi.org/10.22373/jppg.v1i1.6677.