Abam, Komommo Omini, et al. “Normalized Difference Vegetation Index (NDVI) As an Indicator of Bio-Remediation Efficiency in Crude Oil-Impacted Soils in Ogoni-Land: A Case Study of Eleme Local Government Area, Rivers State, Nigeria”. African Journal of Empirical Research, vol. 6, no. 3, July 2025, pp. 143-55, doi:10.51867/ajernet.6.3.11.