Ashokkumar A. Parmar, Dr. S.K.Dave, Paresh G. Pithadiya, and Vinod M. Vasaiya. “Efficiency Improvement Technologies of Solar PV Power Plant”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 2, no. 7, July 2015, pp. 99-109, https://ijaerd.com/index.php/IJAERD/article/view/975.