KARMILA, K.; PATAHUDDIN, P.; ISHAK, S. . Effectiveness of the Problem Based Learning (PBL) Model in Improving the Mathematical Problem-Solving Ability of 5th Grade Elementary School Students in the Selayar Islands. Edusoshum : Journal of Islamic Education and Social Humanities, [S. l.], v. 6, n. 2, p. 959–972, 2026. DOI: 10.52366/edusoshum.v6i2.381. Disponível em: https://www.edusoshum.org/index.php/EDU/article/view/381. Acesso em: 13 may. 2026.