Putri, Gita Marchelyta Arinda, and Mohammad Faizal Amir. 2025. “Counter-Examples Refining Elementary Students’ Action Proof on Area–Perimeter Relationships”. Indonesian Journal of Education Methods Development 20 (4):10.21070/ijemd.v20i4.1014. https://ijemd.umsida.ac.id/index.php/ijemd/article/view/1014.