KAEWLUECHAI, B.; ONGARDWANICH, N. Development of Creative Problem Solving on addition, subtraction, multiplication and division for Grade 3 Students by Open Approach. Journal of Graduate Saket Review, [S. l.], v. 8, n. 2, p. 145–158, 2023. Disponível em: https://so03.tci-thaijo.org/index.php/saketreview/article/view/267907. Acesso em: 17 sep. 2026.