S. Rajamanickam, R. Palani, V. Sathyamoorthy, M. Jagadeesh Varma, S. Shaik Mahammad Althaf, and A. Michel Thilak, “Comparative Study on EDM of Ti-6Al-4V Using Circular and Convex Shaped Electrodes”, IJET, vol. 7, no. 3.34, pp. 256–258, Sep. 2018, doi: 10.14419/ijet.v7i3.34.18979.