NG, Y. X.; TOH, T. L. A framework for designing problem solving task for secondary school mathematics classroom . JRAMathEdu (Journal of Research and Advances in Mathematics Education), [S. l.], v. 8, n. 2, 2023. DOI: 10.23917/jramathedu.v8i2.3137. Disponível em: https://journals2.ums.ac.id/index.php/jramathedu/article/view/3137. Acesso em: 22 jul. 2024.