Parapat, Irmadani, Mhd Yusuf, and Hanifah Parapat. 2026. “Improving Math Learning Outcomes on Number Material through Problem Based Learning for 7th Grade Students”. PANTAK: Jurnal Penelitian Tindakan Kelas 3 (1):10-18. https://jurnal.alfa-pustaka.id/index.php/pantak/article/view/213.