WASET
    S. R. M. Kutty and  S. N. I. Ngatenah and  M. H. Isa and  A. Malakahmad,  Nutrients Removal from Municipal Wastewater Treatment Plant Effluent using Eichhornia Crassipes.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2009, vol. 36(12). 414 - 419
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/2012.