Đào, M. A. T., K. T. Luc, and D. X. Ta. “An Investigation of Force and Pressure Analysis During the Process of Equal Channel Angular Pressing to M1 Copper Using Finite Element and Upper-Bound Methods”. Journal of Military Science and Technology, vol. 95, no. 95, May 2024, pp. 95-106, doi:10.54939/1859-1043.j.mst.95.2024.95-106.