WASET
    Ime R. Udotong and  Justina I. R. Udotong and  Ofonime U. M. John,  Oily Sludge Bioremediation Pilot Plant Project, Nigeria.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2015, vol. 102(6). 686 - 690
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10001539.