Ololade, I.A., L. Lajide, and N.A. Oladoja. “Spatial Assessment of Polycyclic Aromatic Hydrocarbons in Streambed Sediments: Spatial Assessment of PAHs in Streambed Sediments”. Biological Sciences - PJSIR 52, no. 5 (October 27, 2009): 253–259. Accessed May 18, 2024. http://v2.pjsir.org/index.php/biological-sciences/article/view/557.