Ali, Nizar M., Jagar M. Ismail, and Avan Y. Haji. “The Business Ethics and Its Role in Achieving the Performance Efficiency ‘Analytical Study of the Views of a Sample to the Staff in the Presidency of University of Zakho ’”. Humanities Journal of University of Zakho 5, no. 3 (September 30, 2017): 814–825. Accessed May 3, 2024. https://hjuoz.uoz.edu.krd/index.php/hum/article/view/374.