Otman M. Elbasir, Almahdi Araba, Manssour Bin Miskeen, Sghaiar Nser, Najat Mabruk Bushahewa. “Effect of Addition Silica Fume to the Workability, Strength and Permeability of Concrete”. Journal of Pure & Applied Sciences 18, no. 4 (December 11, 2019). Accessed October 12, 2024. https://sebhau.edu.ly/journal/jopas/article/view/533.