“Knowledge Assessment of the Employees in Heart Center about the Psychological Risk of the Occupation in Al-Nasiriyah - Dhi-Qar Governorate During COVID 19 Pandemic: A Cross-Section Study”. University of Thi-Qar Journal of Science 10, no. 1(SI) (April 29, 2023): 205–209. Accessed December 25, 2024. http://mail.jsci.utq.edu.iq/index.php/main/article/view/1074.