Porncharoen, Ratthai, Lui Kansomkrait, and Watanapun Krutasaen. 2021. “Learning Technique to Transform 2 Dimension Technical Drawing to 3 Dimension Technical Drawing for Basic Technical Drawing Class”. Journal of Fine and Applied Arts Khon Kaen University 13 (2). Khon Kaen, Thailand:329-57. https://so02.tci-thaijo.org/index.php/fakku/article/view/242972.