M. Yaqoob, Wisam, Falah H. Rahil, and Moammed A. Al-Neami. 2019. “Characteristics of Artificial, Gypsified and Natural Gypseous Soils under Dry Condition”. Engineering and Technology Journal 37 (8A):302-12. http://engtechjournal.org/index.php/et/article/view/525.