SAFITRI, U. .; ISRIANI , W. P. . The Effect of the Problem-Based Learning (PBL) Model on the Learning Outcomes of IPAS in Fifth Grade Students at SDN 20 Sintuk and SDN 15 Ampalu, North Pariaman District. TOFEDU: The Future of Education Journal, [S. l.], v. 5, n. 1, p. 264–269, 2026. DOI: 10.61445/tofedu.v5i1.1429. Disponível em: https://journal.tofedu.or.id/index.php/journal/article/view/1429. Acesso em: 4 feb. 2026.