B. Ebenezer Ngekpe, Akobo, Iboroma Seddon, Briggs, Ma-awogberiye Opuda, and Georgewill, Victor Adokiye, “The COMPRESSIVE STRENGTH OF ULTRA HIGHPERFORMANCE FIBER-REINFORCED CONCRETE USING NANO-SILICA”, mce, vol. 6, no. 6, pp. 01-12, Jul. 2020.