Ekachairungrojn, A., Piasai, K., Hajisalah, S. and Janjaroon, A. (2025) “A STUDY OF MATTHAYOMSUKSA 3 STUDENTS’ GEOMETRIC REASONING BASED ON THE CONCEPTS OF GUTIERREZ & JAIME”, Journal of Educational Review Faculty of Education in MCU, 12(3), pp. 84–98. available at: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/281123 (accessed: 1 September 2026).