Manoranjan Kumar Singh, Dr. Pradeep V. Jadhav. “Experimental Investigation on Analysis of Taper Angle of Micro-Holes Machined on Inconel 718 by Electrochemical Micromachining”. International Journal of Advanced Science and Technology, Vol. 29, no. 3s, Mar. 2020, pp. 2086 -97, http://sersc.org/journals/index.php/IJAST/article/view/27493.