Bhutiani, . R., Rai , N., Kumar, . N., Rausa, M. and Ahamad, . F. (2019) “Treatment of industrial waste water using Water hyacinth (Eichornia crassipus) and Duckweed (Lemna minor): A Comparative study”, Environment Conservation Journal, 20(1&2), pp. 15–25. doi: 10.36953/ECJ.2019.1008.1203.