Ha Linh, Phan Thi, and Nguyen Dac Trung. “Numerical Simulation of the Bulk Forming Process to Manufacture Coupling Details from Tube Billet”. Vietnam Journal of Science and Technology 55, no. 5 (October 20, 2017): 612–619. Accessed January 10, 2026. https://vjs.ac.vn/jst/article/view/9174.