Abdullah , Hamed H., Ameer H. Al-Saffar, and Raed S. Jasim. 2022. “Stresses and Displacements Analyses Around Tunnel Opening Under Water Body Using Finite Element Method (FEM) in Baghdad City Middle of Iraq”. Iraqi Journal of Science 57 (2B): 1267-79. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7355.