A.Ali, Faiza, Hamed H. Abd- Allah, and Baraa H.Mari. 2023. “Improvement of the Physical, Mechanical and Thermal Insulation Properties to Produce Gypsum Boards by Using Waste Materials”. Iraqi Journal of Science 57 (3A): 1972-82. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9949.