A. NA, O. NE, N. OC. Petroleum Hydrocarbons And Heavy Metal Concentrations In Tissues Of Periwinkles <i>Tympanotonus Fuscatus </i> From Warri River In Nigeria. IJWSRR [Internet]. 2023 Oct. 13 [cited 2024 Sep. 19];1(1-3):41-8. Available from: http://icidr.org.ng/index.php/ijwsrr/article/view/24