3H G Frederrickosn, Social Equity and Public Administration: A symposium. Public Administration Review, 1974,(3):51.
4H G Frederickson, Classics of Public Administration.Hartcourt Brace College Publishers, Fort Worth: Texas, 1997.58.
5Donald F.Kettl and H.Brinton Milward ,The state of public Managament.Baltimore and London:The Johns Hopkins University Press, 1996.3.
6Jack Rabin, W. Bartley Hildreth and Gerald J Miller,Handbook of Public Administration. New York: Marcel Dekker, 1989.21,21.
7Osbome D and T Gaebler, Reinventing Government:How the Entrepreneurial Spirit Is Transforming the Public Sector From the School House to State House Mass : Addison -Wesley. 1992.5.
8Hood Christopher, A PubliC Management for all Seasons .Public Administration.1991,(1).
9Owen E. Hughes, Public Management and Administration(Second Edition).New York: St Martin's Press, 1998.2.
10James L. Perry, Handbook of Public Administration( Second Edition).San Francisco: Jossey- Bass Inc, Publisher,1996.23.