Bubphachot, Bopit, Varunee Premanond, and Pongpan Keawtatip. “Optimum Heat Treatment Conditions for C45 Steel in Fine Blanking Process”. Engineering and Applied Science Research 32, no. 4 (February 21, 2013): 551–562. accessed January 7, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/6205.