Tsaku, N.A. (2025) “Soil Quality Assessment of Crude Oil-Exposed Environments in Obama, Bayelsa State, Nigeria”, Direct Research Journal of Agriculture and Food Science, 13(3), pp. 68–75. Available at: https://www.journals.directresearchpublisher.org/index.php/drjafs/article/view/462 (Accessed: 14 August 2026).