O. O. Olayinka, O. H. Adedeji, and A. R. Ipeaiyeda, “Determination of Polycyclic Aromatic Hydrocarbons (PAHs) on Selected Dumpsites in Abeokuta Metropolis, SW, Nigeria”, App. Envi. Res., vol. 37, no. 3, pp. 33–48, Oct. 2015.