MOHAMMED, Khalid K.; ABBOUDI, Safa Adres. The effect of sustainable leadership in achieving proactive behavior An analytical study of the views of a sample of Iraqi private university teachers. Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 17, n. 54, 2, p. 350–371, 2021. DOI: 10.25130/tjaes.17.54.2.21. Disponível em: https://www.tjaes.org/index.php/tjaes/article/view/1633. Acesso em: 15 sep. 2026.