Andry Kurniawan, author
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UI - Tesis (Membership)
Manning, George, 1943-, author
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Buku Teks
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Politeia, 1989
Buku Teks
Elex Media Komputindo, Kelompok Gramedia, 2002
Buku Teks
Achua, Christopher F., author
South Western Cengage Learning, 2013
Buku Teks