Effects of Mathematical Games Strategy on the Achievement of Students in High School Geometry. JPAIR Institutional Research, [S. l.], v. 1, n. 1, p. 85–99, 2013. DOI: 10.7719/irj.v1i1.206. Disponível em: https://www.philair.ph/index.php/irj/article/view/206. Acesso em: 10 jul. 2025.