Zaid, M. Z., E. A. A. Asad Ali, L. A. Liaqat Ali, K. U. R. Kaleem Ur Rehman, and M. F. Meerab Fatima. “The Recent Advancements on Metal Free Catalysts for Oxygen Evolution Reaction (OER): Production of Hydrogen from Water by Using Electrocatalyst Process”. Journal of Applied Sciences and Emerging Technologies, vol. 1, no. 2, Jan. 2024, https://jaset.uog.edu.pk/index.php/jaset/article/view/13.