Aik Heng Lee and  Hamid Nikraz and  Yung Tse Hung,  Characterization of Acetogenic and Methanogenic Leachates Generated from a Sanitary Landfill Site.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 184 - 189
    [viewed 22 October 2019]. Available from: https://publications.waset.org/pdf/2633.