H. Sulistyo, S. S. Rahayu, W. B. Sediawan, S. Sarto, and T. Syarif, “Kinetics of Ferrous Sulfate Catalytic Oxidation from Dissolved Iron Waste in Sulfuric Acid”, ASEAN J. Chem. Eng., vol. 9, no. 2, pp. 49-56, Dec. 2009.