Modeling and experimental investigation of process parameters in WEDM for surface roughness using regression modelA. Muniappan, R. Senthilkumar, V. Jayakumar, S. Venkata Ravikumar and P. Sai TarunkumarMATEC Web of Conferences, 172 (2018) 04010DOI: https://doi.org/10.1051/matecconf/201817204010