Ozogu, N. A., O. H. Olabimtan, N. C. Chukwurah, M. K. Ukpong, and D. S. Daniel. “Effects and Causes of Illegal Crude Oil Bunkering in Nigeria: Case Study Niger Delta”. American Journal of IR 4.0 and Beyond, vol. 2, no. 1, Apr. 2023, pp. 6-14, doi:10.54536/ajirb.v2i1.1450.