Ahmad, Chya Kareem. “The Role of Using Six Sigma Approach for Activating and Improving the Internal Audit , and Its Reflections on the Quality of Accounting Information: Exploratory Research in a Sample of Commercial Banks in Sulaymaniyah”. Journal of University of Human Development 3, no. 3 (August 31, 2017): 347–370. Accessed November 23, 2024. https://journals.uhd.edu.iq/index.php/juhd/article/view/366.