Le, V. T., Banh, T. L., Tran, X. T., & Nguyen, T. H. M. (2017). The Influence of Electrical Parameters on the Penetration of Tungsten into the SKD61 Workpiece Surface in PMEDM using Tungsten Carbide Powder. Old Journal, 119B, 16-21. https://jst.vn/index.php/old/article/view/728