Le V-T, Banh TL, Nguyen THM, Hoang TD, Dang VT, Phan HC. Modeling, impact evaluation, and optimization of machining performances of heat-treated SKD61 steel in a tungsten powder alloy mixed EDM process via the RSM-GRA methodology. Science and Technology Development Journal [Internet]. 31Dec.2023 [cited 16May2024];26(4):3150-6. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/4222