Nabil M. Abdel-Jabbar and  Essam A.H. Al Zubaidy and  Mehrab Mehrvar,  Waste Lubricating Oil Treatment by Adsorption Process Using Different Adsorbents.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2010, vol. 38(2). 141 - 144
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9869.