Armah, E. A., Koffi, H. A., & Amuzu, J. K. A. (2020). Compressive and Flexural Strengths of Concrete Containing Ground Palm Kernel Shells as Partial Replacement of Cement. Journal of Modern Materials, 7(1), 7–16. https://doi.org/10.21467/jmm.7.1.7-16