Uosif, M. A. M., Omer, M., Ali, N. A., El-Kamel, A. H., & Hefni, M. A. (2015). Radiological Hazard Resulting from using Ceramic Tile in Egypt . International Journal of Advanced Science and Technology, 19, 19 - 30. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/44