AHMED, S. M.; MUHAMMAD ZHOU, M. L. Measuring the Personal Proficiency of Head Departments at Tikrit University. Journal of Tikrit University for Humanities, [S. l.], v. 29, n. 11, 2, p. 455–472, 2022. DOI: 10.25130/jtuh.29.11.2.2022.23. Disponível em: https://jtuh.org/index.php/jtuh/article/view/1362. Acesso em: 1 may. 2026.