Apter, David E.
Introduction to political analysis
Winthrop, 1977
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Dyke, Vernon van
Political science : a philosophical analysis
Stanford University Press, 1962
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Contempoarary political analysis
edited by James C. Charlesworth
Free Press, 1968
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The political
edited by David Ingram
Blackwell , 2002
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Ellsworth, John W.
Politics and political system : an introduction to political science
McGraw-Hill, 1976
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