Sghayer, Abdulhamed, Adel Diyaf, Khaled Mazuz, and Naji Issa. 2020. “The Correlation of Palladium Supported Carbon (Pd/C) Loading and Optimum Nafin Ionomer Weight Percent (wt.%) Content in the PEM Fuel Cell Catalyst Layer”. Solar Energy and Sustainable Development Journal 9 (1). Tripoli,Libya.:28-34. https://doi.org/10.51646/jsesd.v9i1.15.