edited by Soekarman, S.S. Wardaya
The ASEAN Committee on Culture and Information , 1992
Buku Teks
edited by Miles M. Jackson
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Buku Referensi
Kirgis, Frederic L., author
West Publishing, 1993
Buku Teks
editor, Hadi Soesastro
Centre for Strategic and International Studies, 1997
Buku Teks
K.G. Saur, 1981
Buku Referensi