Taha, Ayman Ismat. “The Leadership Characteristics of a Manager and Their Impact on the organization’s Performance Quality An Exploratory Study of the Opinions of a Sample of Unit and Divisional Managers in the Ministry of Education Representation in Erbil”. Tikrit Journal of Administrative and Economic Sciences, vol. 17, no. 53, 1, Mar. 2021, pp. 142-58, doi:10.25130/tjaes.17.53.1.10.