The Effect of the Problem-Based Learning (PBL) Model on Student Learning Outcomes in the IPAS Subject for Fourth-Grade Students at SD Negeri 091262 Karang Sari. Ludi Litterarri, [S. l.], v. 3, n. 1, p. 1–6, 2026. DOI: 10.62872/rthq2072. Disponível em: https://ejournal-nawalaedu.com/index.php/JLL/article/view/2662. Acesso em: 30 may. 2026.