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2. Bush, T. (2005). Theories of Educational Leadership and Management. London: Sage Publications.
3. Facilitating high achievement: High school principals’ reflections on their successful leadership practices;Crum;Journal of Educational Administration,2008
4. Dallin, P. (1994). How Schools Improve. London. New York: Cassel.
5. Davies, B. (2005). The Essentials of School Leadership. London: Sage Publications.