Mohammed KK, Abboudi SA. The effect of sustainable leadership in achieving proactive behavior An analytical study of the views of a sample of Iraqi private university teachers. Tikrit J. Admin. Econ. Sci. [Internet]. 2021 Jun. 30 [cited 2026 Sep. 16];17(54, 2):350-71. Available from: https://www.tjaes.org/index.php/tjaes/article/view/1633