Boondech, C., & Poonpaiboonpipat, W. (2021). LEARNING ACTIVITIES BASED ON SOCIAL CONSTRUCTIVISM AND USING GOOGLE SKETCHUP TO ENHANCE MATHEMATICAL VISUALIZATION ABILITIES ON GEOMETRY FOR GRADE 6 STUDENTS. Journal of Industrial Education, 20(2), 33–44. Retrieved from https://ph01.tci-thaijo.org/index.php/JIE/article/view/244394