Panwong, Pongpan, and Wayu Kanjanasorn. “INNOVATIVE DEVELOPMENT OF VOLLEYBALL SETTING SKILLS TRAINING MACHINES BASED ON DESIGN THINKING PROCESS FOR STUDENTS IN SECONDARY SCHOOL”. Journal of Industrial Education 22, no. 1 (April 26, 2023): 61–74. accessed May 12, 2025. https://ph01.tci-thaijo.org/index.php/JIE/article/view/251299.