Abdulla, A.Q. and Al-jarjay, A.H. 2022. The role of visionary leadership in reducing Functional Deviation An exploratory study of the opinions of a sample of administrative leaders for university of Mosul. Tikrit Journal of Administrative and Economic Sciences. 18, 60, 2 (Dec. 2022), 824–836. DOI:https://doi.org/10.25130/tjaes.18.60.2.45.