WASET
    Mousa Bani Baker and  Maria Elektorowicz and  Adel Hanna and  Altayeb Qasem,  The Influence of Biofuels on the Permeability of Sand-Bentonite Liners.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2012, vol. 72(12). 804 - 807
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/15430.