Premanuphan, P. and Funfuengfu, V. (2021) “THE STUDY OF MATHEMATICAL LEARNING ACHIEVCEMENT ON GEOMETRIC TRANSFORMATION BY THE GEOMETER’S SKETCHPAD (GSP) FOR MATTAYOMSUKSA 2 STUDENTS ”, Valaya Alongkorn Review, 11(2), pp. 165–175. Available at: https://so06.tci-thaijo.org/index.php/var/article/view/248536 (Accessed: 18 April 2024).