Rubio-Clemente, A., E. L. Chica, and G. A. Peñuela. “Application of Fenton Process for Treating Petrochemical Wastewater”. Ingeniería Y Competitividad, vol. 16, no. 2, Dec. 2014, pp. 211-23, doi:10.25100/iyc.v16i2.3696.