Karmila, Karmila, Patahuddin Patahuddin, and Suryadi Ishak. 2026. “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 6 (2):959-72. https://doi.org/10.52366/edusoshum.v6i2.381.