Using Grid as Teaching Strategy in Teaching Mathematics. JPAIR Institutional Research, [S. l.], v. 13, n. 1, p. 96–111, 2019. DOI: 10.7719/irj.v13i1.785. Disponível em: https://www.philair.ph/index.php/irj/article/view/785. Acesso em: 20 jul. 2025.