Nguyen, T. T., X. P. Dang, T. A. Nguyen, and Q. H. Trinh. “Experiments and Optimization for the WEDM Process: A Trade-off Analysis Between Surface Quality and Production Rate”. Vietnam Journal of Mechanics, vol. 42, no. 2, June 2020, pp. 105-21, doi:10.15625/0866-7136/14663.