Chibuzor, S. N., Okoyeh, E. lfeyinwa, & Egboka, B. C. E. (2020). Geotechnical Characteristics of Regolith Derived from Nanka Formation, Southeast Nigeria. European Journal of Engineering and Technology Research, 5(12), 67-75. https://doi.org/10.24018/ejers.2020.5.12.2230