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, [S. l.], v. 17, n. 53, 1, p. 142–158, 2021. DOI: 10.25130/tjaes.17.53.1.10. Disponível em: https://www.tjaes.org/ojs/index.php/tjaes/article/view/1690. Acesso em: 7 mar. 2026.