Nagle, John D.
Democracy and Democratization
Sage Publications, 1999
 Buku Teks
Nagle, John D.
Democracy and Democratization
Sage Publications, 1999
 Buku Teks
Arblaster, Anthony
Democracy
Open University Press, 1987
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Schulz, Ernest B
Democracy
[publisher not identified], 1956
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Catt, Helena
Democracy in practice
Routledge , 1999
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