Ime R. Udotong and  Justina I. R. Udotong,  Delineation of Oil – Polluted Sites in Ibeno LGA, Nigeria, Using Microbiological and Physicochemical Characterization.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 102(6). 704 - 708
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10001890.