Hameed, Z. M., and R. H. Salman. “Optimizing Methyl Orange Degradation via Electro-Fenton with Copper Foam Cathode: A Comparative Approach Using Iron Waste vs. Iron Salts and Exploring Catalyst and Cathode Durability”. Applied Science and Engineering Progress, vol. 18, no. 4, Oct. 2025, p. 7728, doi:10.14416/j.asep.2025.05.002.