Bhutiani, R., N. Rai, N. Kumar, M. Rausa, and F. Ahamad. 2019. “Treatment of Industrial Waste Water Using Water Hyacinth (Eichornia Crassipus) and Duckweed (Lemna minor): A Comparative Study”. Environment Conservation Journal 20 (1&2):15-25. https://doi.org/10.36953/ECJ.2019.1008.1203.