M. Z. Zaid, 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”, JASET, vol. 1, no. 2, Jan. 2024.