WASET
    Rou-Han Lee and  Jie and Chung Lou and  Huang-Ming Fang,  A Study on the Removal of Trace Organic Matter in Water Treatment Procedures Using Powder-activated Carbon Biofilm.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 298 - 302
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9551.