BABIKER, Mohammed B. A.; 						ELARABI, Salaheldin M..
 The study of the variation effect in the percent of the fibers in the gradients of composite materials on the percentage of water absorption of concrete beams when using 20% from the weight of cement in concrete beams.
<strong>Gezira Journal of Engineering and Applied Sciences</strong>, [S.l.], v. 17, n. 2, june 2026.
ISSN 1858-5698. Available at: &lt;<a href="http://journals.uofg.edu.sd/index.php/gjeas/article/view/2574" target="_new">http://journals.uofg.edu.sd/index.php/gjeas/article/view/2574</a>&gt;. Date accessed: 25 june 2026.