Nguyen, S., D. Le, and L. Huynh. “COMPARISON OF O3, H2O2 AND O3/H2O2 PROCESSES FOR DECOLORISATION AND COD REMOVAL OF INSTANT COFFEE WASTEWATER”. Science and Technology Development Journal, Vol. 15, no. 3, Sept. 2012, pp. 17-28, doi:https://doi.org/10.32508/stdj.v15i3.1805.