EZIKE, C. et al. 2020. ASSESSMENT OF POLYCYCLIC AROMATIC HYDROCARBONS (PAHS), BAP TOXICITY AND BAP-MUTAGENIC EQUIVALENTS OF CLARIAS GARIEPINUS (BURCHELL, 1822) TO NIGERIAN-PETROLEUM PRODUCTS. Nigerian Journal of Fisheries. 17, 1 (Jun. 2020), 1960–1968.