O.I. Akpokodje, M.O. Akwenuke, A.E. Essaghah, H. Uguru, and G.I. Okolotu. “Investigation of the Geotechnical Properties and Chemical Oxide Composition of Sub-Soils at Delta State University of Science and Technology, Ozoro, for Infrastructural Development”. NIPES - Journal of Science and Technology Research, vol. 7, no. 1, Mar. 2025, pp. 99-108, doi:10.37933/nipes/7.1.2025.8.