Woke, G., and T. Benson. “Impacts of Petroleum Hydrocarbon Pollution on Macrobentic Fauna of Oluasiri River of Niger Delta”. British Journal of Multidisciplinary and Advanced Studies, vol. 2, no. 3, Sept. 2018, pp. 7-14, https://bjmas.org/index.php/bjmas/article/view/13.