Soltau, Roger H.
An Introduction to politics
Longmans, Green , 1951
Buku Teks
Soltau, Roger H.
An Introduction to politics
Longmans, Green , 1960
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Dyke, Vernon van
Introduction to politics
Nelson, 1992
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Laski, Harold J.
An introduction to politics
George Allen and Unwin, 1960
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Governance and Resistance in World Politics
Cambridge University Press, 2003
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