Daniel, I. C. ., W. Ghann, I. N. Ndubuisi, K. . Okpala, B. . Ozturk, M. M. . Rahman, F. I. . Chowdhury, M. N. . Khan, M. R. . Rahman, M. A. M. . Patwary, N. . Ahmed, and J. Uddin. “Chemical and Mineralogical Composition Analysis of Different Nigerian Metakaolins”. Journal of Applied Science &Amp; Process Engineering, vol. 8, no. 2, Oct. 2021, pp. 953-64, doi:10.33736/jaspe.3884.2021.