C. H. Salihu, A. E. Abalaka, R. A. Lafiya-Araga, B. J. Olawuyi, and I. Kariim, “Strength properties and microstructural characterization of metakaolin geopolymer concrete synthsized at ambient temperature.”, AZOJETE, vol. 17, no. 3, pp. 389-402, Sep. 2021.