Shaker, H. M. ., Shimaa, Moneim, M. A. ., Refaie, F. ., & Ibrahim, H. S. . (2019). 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(9), 178–184. https://doi.org/10.31695/IJASRE.2019.33516