D. Rohendi, “Effect of Milling Time and PCA on Electrode Properties of Cu2O-ZnO/C Catalyst Alloy used on Electrochemical Reduction Method of CO2”, IJIE, vol. 14, no. 2, pp. 186–192, Jun. 2022, Accessed: Mar. 12, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/11058