AdamuI. M., KauraJ. M., LawanA., and OcholiA. “STRENGTH DEVELOPMENT CHARACTERISTICS AND MICROSTRUCTURAL PROPERTIES OF HIGH STRENGTH CONCRETE HAVING OPTIMAL NANOSILICA DOSAGE ”. FUDMA JOURNAL OF SCIENCES, Vol. 4, no. 1, Apr. 2020, pp. 480 -89, https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/72.