HUTAGALUNG, D.; ALHAPSI; BATUBARA, E. Implementation of Problem-Based Learning Method in Educational Learning to Improve Learning Outcomes at SD Negeri 081234 Sibolga. Jurnal Pendidikan Profesi Guru, [S. l.], v. 2, n. 2, p. 57–63, 2024. Disponível em: https://journal.ar-raniry.ac.id/ppg/article/view/6680. Acesso em: 23 feb. 2025.