RAMADHANI, P.; HARISMAN, Y.; MEUTIA RANI, M.; IRWAN; MUJTABA ASAD, M. . The Effect of Implementing the Problem-Based Learning Model on the Systematic Communication Skills of Grade XI Students at SMAN 2 Padang. Rangkiang Mathematics Journal, [S. l.], v. 5, n. 2, p. 172–179, 2026. DOI: 10.24036/rmj.v5i2.175. Disponível em: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/175. Acesso em: 5 nov. 2026.