WASET
    Haodong Wu and  Ping Huang and  Junsan Wang,  Treatment of Eutrophic-lake Water by Free Water Surface Wetland.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 290 - 293
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/4325.