edited by Hadi Soesastro
Centre for Strategic and International Studies, 1997
Buku Teks
edited by Richard Mann
Gateway Books, 2000
Buku Teks SO
Hodgetts, Richard M.
John Wiley & Sons, 2002
Buku Teks
Hatten, Timothy S.
Prentice-Hall, 1997
Buku Referensi
Adam, Bob
Adams Media Corporation, 1997
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