RITONGA, P.; SIREGAR, A. S.; HASIBUAN, M. Application of the Problem Based Learning Model in Islamic Religious Education to Increase Student Learning Activities at SD Negeri 02 Ulumahuam. Jurnal Pendidikan Profesi Guru, [S. l.], v. 2, n. 2, p. 16–22, 2024. DOI: 10.22373/jppg.v2i2.6671. Disponível em: https://journal.ar-raniry.ac.id/ppg/article/view/6671. Acesso em: 28 apr. 2025.