Onyelowe, K. C., D. B. Van, C. Ezugwu, T. Amhadi, F. Sosa, F. Orji, and G. Alaneme. “Adaptation of Ohia Pozzolan Soil on Cemented Lateritic Soil As Base Material Improvement”. Italian Journal of Engineering Geology and Environment, no. 1, June 2019, pp. 17-23, doi:10.4408/IJEGE.2019-01.O-02.