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Buku Teks
John Ferejohn, Jack N. Rakove, Jonathan Riley
Cambridge University Press, 2001
Buku Teks
Fisher, Louis, author
McGraw-Hill, 1988
Buku Teks
Pritchett, C. Herman, author
McGraw-Hill, 1981
Buku Teks
Yustina Sari, author
Universitas Indonesia, 2015
UI - Tesis (Membership)