Amadi, A.N., Olasehinde, P.I., Yisa, J., Shaibu, I. and Okoye, N.O. (2016) “Environmental Geochemistry and Heavy Metal Assessment in Soils, Surface and Groundwater from Eastern Niger-Delta, Nigeria using Multivariate Pollution Indices”, International Journal of Science for Global Sustainability, 2(3), p. 15. doi: 10.57233/ijsgs.v2i3.235.