nuvus, M.J., Salamanya, K. and Syahran, S. 2020. EFFECTIVENESS OF PROBLEM-BASED LEARNING MODEL ON MATERIAL FLAT SIDE GEOMETRY OF STUDENTS’ LEARNING OUTCOMES OF CLASS VIII MTS AN-NUR PALANGKA RAYA. GAMAPROIONUKLEUS. 1, 1 (May 2020), 66–74. DOI:https://doi.org/10.37304/jpmipa.v1i1.2456.