Vincent, Andrew
Theories of the state
Basil Blackwell, 1987
 Buku Teks
Seckler-Hudson, Catheryn
The United State of America : a government by the People
United State Information Service, 1959
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Holloway, William Vernon
State and local government in the United States
McGraw-Hill , 1951
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Solid state physics : advances in research and applications / Editor: Henry Ehrenreich
Academic Press, 1984
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The State of strategy
Harvard Business School Press, 1991
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