choosombut ณัฐชนันท์, and Osothsilp นภัสสวงศ์. 2021. “Reduction of Total Cost Related to Burrs in Metal Sheet Forming Process of Oil Pan”. Thai Industrial Engineering Network Journal 7 (1):79-92. https://ph02.tci-thaijo.org/index.php/ienj/article/view/243915.