Safrita, Helfi, Syarifah Nur Siregar, and Atma Murni. 2024. “Improving students’ Mathematical Representation Ability through Problem-Based Learning Model ”. Jurnal Absis: Jurnal Pendidikan Matematika Dan Matematika 7 (2):207-17. https://doi.org/10.30606/absis.v7i2.2637.