Etuk, E., and E. Ogbuene. “Oil Spills and Oil Pollution – Management and Contingency Planning for Oil Spill in the Niger Delta Region of Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 46, no. 1, May 2019, pp. 89-103, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/10038.