PARAPAT, I.; YUSUF, M.; PARAPAT, H. Improving Math Learning Outcomes on Number Material through Problem Based Learning for 7th Grade Students. PANTAK: Jurnal Penelitian Tindakan Kelas, [S. l.], v. 3, n. 1, p. 10–18, 2026. Disponível em: https://jurnal.alfa-pustaka.id/index.php/pantak/article/view/213. Acesso em: 9 aug. 2026.