Gupta, Vijay, Mukul Dixit, and Ranjit Roy. 2014. “Optimal Placement and Sizing of PV System and Fuel Cell on Distribution System for Loss Minimization”. Power Research - A Journal of CPRI, September, 559-72. https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/798.