Ribes, Bruno, author
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Buku Teks
Shannon, Thomas A., author
Gramedia Pustaka Utama, 1995
Buku Teks
Holland, Stephen, 1963-, author
Polity Press, 2017
Buku Teks
Garrett, Thomas M., author
Prentice-Hall, 2001
Buku Teks
Beyleveld, Deryck, author
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Buku Teks