Anietie, Eno Moses, and Akanimo Bassey Edem. “Levels of Polycyclic Aromatic Hydrocarbons in Soils of Ibeno, Nigeria; Distribution, Sources and Potential Risk”. The International Journal of Science & Technoledge 3, no. 8 (August 31, 2015). Accessed July 30, 2024. http://internationaljournalcorner.com/index.php/theijst/article/view/124557.