Dr. Eleyan Issa Jamal Issa, Dr. Shagin Musa Saleh Mahmoud. “Transitional Shelter Using Composite Gypsum Binders With Steel Fiber”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Mar. 2020, pp. 12914 -21, http://sersc.org/journals/index.php/IJAST/article/view/30444.