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Karmila, K., Patahuddin, P. and Ishak, S. 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 (May 2026), 959–972. DOI:https://doi.org/10.52366/edusoshum.v6i2.381.