PUTRI, G. M. A.; AMIR , M. F. Counter-Examples Refining Elementary Students’ Action Proof on Area–Perimeter Relationships. Indonesian Journal of Education Methods Development, [S. l.], v. 20, n. 4, p. 10.21070/ijemd.v20i4.1014, 2025. Disponível em: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/1014. Acesso em: 10 feb. 2026.