Akpan, Etuk Etiese. “Adverse Impacts of Oil Spills on Marine, Lowland and Upland Ecosystems of Niger Delta of Nigeria and the Control Measures”. Advances in Social Sciences Research Journal 10, no. 9 (October 4, 2023): 288–301. Accessed May 28, 2026. https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/5756.