THANKHAM, S.; BOONTONGTHERNG, P.; JANSILA, A. Development of Curriculum Enhancing Mathematical Thinking Skills of Problem Solving for 6th Grade Students. Journal of Education Rajabhat Maha Sarakham University, Bangkok, Thailand, v. 17, n. 1, p. 59–72, 2020. Disponível em: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/251932. Acesso em: 12 may. 2024.