Rahmi Islamiat, Yurniwati, and AR Supriatna. 2021. “UTILIZING PROBLEM-BASED LEARNING MODEL TO IMPROVE STUDENTS’ MATHEMATICAL REPRESENTATION ABILITY”. Primary: Jurnal Pendidikan Guru Sekolah Dasar 10 (5): 1242-53. https://doi.org/10.33578/jpfkip.v10i5.8373.