1. Campbell, F. (2001). The killing fields: Oil ravages the Nigeria Delta. Times magazines, June.
2. CAMTEX (2001). Pollution threatens communities in Southern Nigeria. The news Agency of Nigeria, August 7.
3. Daniel-Kalio, L. A., & Braide, S. A. (2002). The impact of accidental oil spill on cultivated and natural vegetation in wetland area of Niger Delta of Nigeria AMBIO. In Journal Human Environment, 31(5), 441–442.
4. Eke, R. A. (2002). Oil pollution in the riverine areas: A case study of Akwa Ibom State. Global Journal of Environmental Sciences, 1(7), 1–6.
5. Ekweozor, I. k. E., Ugbomeh, A. P., & Ombu, E. I. (1987). The effect of chronic oil pollution in the Central Bonny Estuary, Nigeria. In Proceedings: Seminar on “The Petroleum Industry and the Nigerian Environment,” NNPC/FMOW&H, 9–12 Nov 1987 (18 pp). Owerri, Nigeria.