Wilcox, G. I., et al. “A Comparative Analysis of the Technical Efficiency of Artisanal Fishermen Affected by Oil Spill and Non-Oil Spillage in Bayelsa State”. Direct Research Journal of Management and Strategic Studies, vol. 5, no. 2, June 2024, pp. 42-48, https://journals.directresearchpublisher.org/index.php/drjmss/article/view/155.