5Luther Gulick. Notes on The Theory of Organization, by Luther Gulick & Lyndall Urwick, Papers on The Science of Administration, The Institute of Public Ad- ministration, 1937.
6Herbert Simon. Administrative Behavior: A Study of Decision- Making Processes in Administrative Organi- zations(4th ), The Free Press,1997. pp29 - 55.
7James March & Herbert Simon. Organizations (2nd), Blackwell Publishers, 1993. pp40 - 49.
8John Greenwood, Robert Pyper & David Wilson. New Public Administration in Britain, Routledge, 2002. pp24 - 29.
9Gordon Tullock. The Polities of Bureaucracy. Public Affairs Press, 1965. pp134 - 136.
10James Wilson. Bureaucracy: What Government Agen- cies Do and Why They Do It. Basic Books, 2002. ppl81 - 193.