Ahmad S, Lajis MA, Abdul Haq RH, et al. Surface Roughness and Surface Topography of Inconel 718 in Powder Mixed Dielectric Electrical Discharge Machining (PMEDM). IJIE. 2018;10(5). Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/3110