S. H. Aghdeab, H. L. Aldulaimy, and H. L. Aldulaimy, “The effect of different dielectrics on material removal rate, surface roughness and white layer thickness in EDM process”, IJET, vol. 7, no. 4, pp. 4455–4461, Nov. 2018, doi: 10.14419/ijet.v7i4.18087.