Iwegbue C, Nwajei G, Arimoro F. Characteristic Levels of Total Petroleum Hydrocarbons in Soil, Sediment and Surface Water of an Oil Impacted Area in the Niger Delta. Pakistan Journal of Scientific & Industrial Research [Internet]. 2007 Aug. 9 [cited 2024 Jul. 3];50(4):247-50. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/977