Buathong, W., Chaowatthanakun, K., Duangkhae, O., & Aiyarapattana , W. (2026). THE DEVELOPMENT OF MATHEMATICS REASONING SKILLS BY USING THE LEARNING MANAGEMENT WITH THE OPEN APPROACH OF MATTHAYOMSUKSA 1 STUDENTS, KUNNASOOTSUKSALAI SCHOOL, SUPHANBURI PROVINCE. Journal of Educational Review Faculty of Education in MCU, 13(1), 125–134. retrieved from https://so02.tci-thaijo.org/index.php/EDMCU/article/view/282866