HELMI, M. Hafiz; AZUDDIN, M.; ABDULLAH, W. Investigation of Surface Roughness and Material Removal Rate (MRR) on Tool Steel Using Brass and Copper Electrode for Electrical Discharge Grinding (EDG) Process. International Journal of Integrated Engineering, [S. l.], v. 1, n. 1, 2009. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/74.. Acesso em: 3 may. 2024.