Ravi R. Modi, and Prof. Vallabh D. Patel. “An Investigation of Different Abrasives Using Abrasive Water Jet Machining of Steel”. International Journal of Advance Research in Engineering, Science & Technology, vol. 3, no. 4, Apr. 2016, pp. 147-51, https://ijarest.org/index.php/ijarest/article/view/524.