AJENG JULIA; ERNA SUWANGSIH; PUJI RAHAYU. The Influence of Problem Based Learning (PBL) Model on Students’ Mathematical Problem Solving Ability in Elementary Schools. Regulate: Jurnal Ilmu Pendidikan, Hukum dan Bisnis, [S. l.], v. 2, n. 1, p. 1–12, 2025. DOI: 10.61166/regulate.v2i1.15. Disponível em: https://regulate.hellowpustaka.id/index.php/i/article/view/15. Acesso em: 1 nov. 2025.