A. Fadhil Ibrahim, M. Adel Abdullah, S. Kadhim Ghazi, and O. H. Hassoon, “Effect of process variables on surface roughness in electrochemical machining of stainless steel 304”, IJET, vol. 7, no. 4, pp. 6899–6901, Jul. 2019, doi: 10.14419/ijet.v7i4.28885.