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Buku Teks
Marsetio, author
Universitas Pertahanan, 2014
Buku Teks
Geoffrey Till, Patrick C. Bratton, editors
Routledge, 2012
Buku Teks
Panikkar, K.M., author
George Allen and Unwin, 1951
Buku Teks
Dworkin, Ronald, author
Harvard University Press, 1986
Buku Teks