Nwoko, C., Ukiwe, L. and Egereonu, U.U. 2014. SEASONAL VARIATION OF HEAVY METALS CONCENTRATIONS IN FISH IN OGUTA LAKE, NIGERIA. JOURNAL OF ADVANCES IN CHEMISTRY. 10, 7 (Oct. 2014), 2929–2936. DOI:https://doi.org/10.24297/jac.v10i7.6807.