T. A., O., A. S.O., A. J. A., A. O. A., and F. C. “Depositional Environments and Geochemical Assessments of the Bende Ameki Formation Potential As Petroleum Source Rocks in the Ogbunike Quarry, South-Eastern Nigeria”. European Scientific Journal, ESJ, Vol. 14, no. 27, Sept. 2018, p. 157, doi:10.19044/esj.2018.v14n27p157.