Tran, L.M. and Vu, K.T. 2024. Removal of Chemical Oxygen Demand, Colorants and Non-Biodegradable from Leachate Using KMnO4. JST: Engineering And Technology For Sustainable Development. 34, 4 (Oct. 2024), 33–39. DOI:https://doi.org/10.51316/jst.177.etsd.2024.34.4.5.