Effectiveness of Non-Traditional Activities to Develop the Mathematical Higher Order Thinking Skills of Grade-Seven Students. JPAIR Institutional Research, [S. l.], v. 3, n. 1, p. 25–39, 2014. DOI: 10.7719/irj.v3i1.286. Disponível em: https://www.philair.ph/index.php/irj/article/view/286. Acesso em: 9 jul. 2025.