HIDAYATI, M.; RIZAL, R.; AQIL, M.; HARIANA, K.; FASLI, M.; WILADE, S. Problem-Based Learning with Environmental Integration: An Action Research Study on Fifth-Grade Indonesian Language Achievement. Journal of Innovation and Research in Primary Education, [S. l.], v. 5, n. 1, p. 394–403, 2026. DOI: 10.56916/jirpe.v5i1.2789. Disponível em: https://ejournal.papanda.org/index.php/jirpe/article/view/2789. Acesso em: 21 jan. 2026.