Chueamang, P., Piasai, K. ., Hajisalah, S., Chaladgarn, T. and Janjaroon, A. (2020) “A STUDY OF MATHAYOMSUKSA II STUDENTS’PROOF ABILITIES ON PARALLEL VIA CONJECTURING AND PROVING APPROACH WITH GEOGEBRA PROGRAM”, Journal of Industrial Education, 19(2), pp. 40–49. Available at: https://ph01.tci-thaijo.org/index.php/JIE/article/view/240570 (Accessed: 3 May 2024).