Mohammed Ali Abdalla Elsageer, Hmed Ahmeed Moftah , Abd-Alslam Mosbah Ziad and Mostafa Mohammed Abd-Alftah. “Effect of Marble Waste Powder As Cement Replacement on The Concrete Mixes”. Journal of Pure & Applied Sciences 19, no. 5 (October 5, 2020): 74–78. Accessed November 23, 2024. https://sebhau.edu.ly/journal/jopas/article/view/816.