ZAINI, M.; YERIZON, Y.; ARLIS, A. G.; FITRIANI, N. The Effect of Problem-Based Learning Model on Junior High School Students’ Self-Efficacy in Mathematics. Rangkiang Mathematics Journal, [S. l.], v. 4, n. 2, p. 76–84, 2025. DOI: 10.24036/rmj.v4i2.67. Disponível em: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/67. Acesso em: 6 nov. 2025.