DEWANTI; NURSYAM ANAGUNA; APRISAL. The Influence of the Problem-Based Learning Model on Students’ Ability to Understand Mathematical Concepts. Rangkiang Mathematics Journal, [S. l.], v. 3, n. 2, p. 39–45, 2024. DOI: 10.24036/rmj.v3i2.58. Disponível em: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/58. Acesso em: 21 nov. 2024.