Ahmed, Y.A. et al. 2023. Anodic and Cathodic preparation of MnO2/Co2O3 Composite Electrode Anodes for Electro-Oxidation of Phenol. Iraqi Journal of Chemical and Petroleum Engineering. 24, 4 (Dec. 2023), 115–125. DOI:https://doi.org/10.31699/IJCPE.2023.4.12.