Le, V.-T., Banh, T. L., Nguyen, T. H. M., Hoang, T. D., Dang, V. T. and Phan, H. C. (2023) “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, 26(4), pp. 3150-3160. doi: https://doi.org/10.32508/stdj.v26i4.4222.