Onojake, M. C., Omokheyeke, O., Osakwe, and J. O. “Petroleum Hydrocarbon Contamination of the Environment: A Case Study”. Bulletin of Earth Sciences of Thailand 6, no. 1 (November 11, 2021): 67–79. accessed September 11, 2026. https://ph01.tci-thaijo.org/index.php/bestjournal/article/view/246604.