Kaligis, Otto Cornelis, 1942-
The Politicization of the nation's banking case
O.C. Kaligis & Associates, 2006
 Buku Teks SO
The political writings of Thomas Jefferson
edited by Edward Dumbauld
Liberal Arts Press, 1955
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Advances in Political Psychology vol.1
Elsevier, 2004
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Robinson, Marguerite S.
Political structure in a changing sinhalese Vilaage
Cambridge University Press, 1975
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Harmon, M. Judd
Political thought: from plato to the present / M. Judd Harmon
McGraw-Hill, 1964
 Buku Teks SO