RAHMAT, Rahmat; DJAKARIA, Ismail; ACHMAD, Novianita. Improving Mathematics Learning Outcomes in Systems of Linear Equations in Two Variables Using the Problem-Based Learning Model. Research in the Mathematical and Natural Sciences, [S. l.], v. 5, n. 2, p. 76–82, 2026. DOI: 10.55657/rmns.v5i2.319. Disponível em: https://journal.scimadly.com/index.php/rmns/article/view/319. Acesso em: 4 aug. 2026.