A. R. Flayyih, W. T. Mohammed, and A. H. Abbar, “Petroleum refinery wastewater degradation by heterogeneous-electro-fenton process using activated carbon loaded with Iron and Cerium: A kinetic study”, IJCPE, vol. 27, no. 1, pp. 25–38, Mar. 2026, doi: 10.31699/IJCPE.2026.1.3.