ชีววิริยะนนท์ ว. ., & คุปตัษเฐียร ณ. . (2013). Productivity Improvement in the Auto Parts Industry : A Case Study Welding Process of the Impact Bar Using Mechanical Arms. Journal of Engineering, RMUTT, 2, 25–31. Retrieved from https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242081