1. K Shahril, N. Binti Mohd Kasim and M Sabri, IOP Conf. Ser.: Mater. Sci. Eng. 50 012043, (2013).
2. N. Phani Raja Rao, T. Vishnu Vardhan, Int. J. Engg. Res. Tech., Vol. 02 (8), (2013).
3. B. N. Niroop Kumar Gowd and Ramatulasi, Int. J. Mech. Eng. Robot. Res. Vol 3 (4), (2014).
4. D. Gupta and Wankhade S. R., Int. J. Mech. Eng. Robot. Res. Vol. 3 (2), (1995).