Nanda, I.P. et al. 2018. Effect of Ultrasonic Electro-Chemical Polishing Parameters on Surface Roughness and Material Removal Rate of Medical Grade Cobalt Chromium Alloys. International Journal on Advanced Science, Engineering and Information Technology. 8, 5 (Oct. 2018), 2046–2051. DOI:https://doi.org/10.18517/ijaseit.8.5.4507.