Zhong, H., J. Li, H. Zhao, L. Sun, A. Xu, D. Xia, and A. V. Nevsky. “DEGRADATION OF ACID ORANGE 7 IN AQUEOUS SOLUTION UNDER PRESENCE OF IRON(III), PERSULPHATE AND VISIBLE LIGHT IRRADIATION”. ChemChemTech, Vol. 60, no. 3, Apr. 2017, pp. 48-54, doi:10.6060/tcct.2017603.5544.