Hidayat, W., M. Musahadah, and M. I. Zain. “THE IMPLEMENTATION OF PROBLEM-BASED LEARNING MODEL TO IMPROVE MATHEMATICS LEARNING OUTCOMES ON SOLID FIGURES MATERIAL FOR FIFTH-GRADE STUDENTS”. PROGRES PENDIDIKAN, vol. 6, no. 1, Jan. 2025, pp. 1-8, doi:10.29303/prospek.v6i1.992.