A. Al-Safy, Rawaa. “EXPERIMENTAL INVESTIGATION ON PROPERTIES OF CEMENT MORTAR INCORPORATING EGGSHELL POWDER”. Journal of Engineering and Sustainable Development 19, no. 6 (November 1, 2015): 198–209. Accessed June 5, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/790.