Z. M. Hameed 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, p. 7728, Oct. 2025.