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Hidayat, W., Musahadah, M. and Zain, M.I. 2025. THE IMPLEMENTATION OF PROBLEM-BASED LEARNING MODEL TO IMPROVE MATHEMATICS LEARNING OUTCOMES ON SOLID FIGURES MATERIAL FOR FIFTH-GRADE STUDENTS. PROGRES PENDIDIKAN. 6, 1 (Jan. 2025), 1–8. DOI:https://doi.org/10.29303/prospek.v6i1.992.