Ughala, E., C. J. Ogugbue, and G. S. Okpokwasili. “Comparative Study of Bacterial Response to Nutrient Amendments and Hydrocarbon Removal through Leaching During Remediation”. The International Journal of Science & Technoledge, vol. 7, no. 12, Dec. 2019, doi:10.24940/theijst/2019/v7/i12/ST1912-005.