Saumyakumar G. Rana, Navnit J. Patel, Ravindra P. Rathod, and Hardik K. Bhatt. “Effect of Operating Parameters on Proton Exchange Membrane Fuel Cell: A Review”. International Journal of Advance Research in Engineering, Science & Technology, vol. 2, no. 10, Oct. 2015, pp. 86-91, https://ijarest.org/index.php/ijarest/article/view/316.