PURBA, D. A.; NASUTION, A. S.; ANDRIANI, N. Improving Student Learning Outcomes with Problem Based Learning in Islamic Learning at SD Negeri 102112 Sipispis. Jurnal Pendidikan Profesi Guru, [S. l.], v. 1, n. 1, p. 210–217, 2023. Disponível em: https://journal.ar-raniry.ac.id/ppg/article/view/6677. Acesso em: 23 feb. 2025.