Yingsukwattana, Chaiwat, and Samruad Inban. “Analysis of Effect of Upper Die Radius and Limit Drawing Ratio in Deep Drawing Processes Using Finite Element Method”. Engineering and Applied Science Research 33, no. 2 (February 18, 2013): 181–192. accessed August 31, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/5990.