HASIBUAN, H. T.; SARAGIH, M.; MUIS, M. Implementation of Problem Based Learning Model to Improve Learning Outcomes at SD Negeri 101988 Bandar Pinang. Jurnal Pendidikan Profesi Guru, [S. l.], v. 2, n. 1, p. 100–106, 2024. Disponível em: https://journal.ar-raniry.ac.id/ppg/article/view/6749. Acesso em: 23 feb. 2025.