Shaker, H. M., Shimaa, M. Abdel Moneim, FA. Refaie, and Hanan S. Ibrahim. “Valorization of Phosphate Waste Sludge As a Nonhazardous Fire Resistant Material Added to Concrete Mix”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 5, no. 9 (September 6, 2019): 178–184. Accessed May 2, 2024. https://ijasre.net/index.php/ijasre/article/view/536.