Wadsworth, John S., author
Morgan Stanley Asia, 1997
Buku Teks
Bangkok United Nations 1987,
Buku Teks
edited by Harold Brookfield and Yuonne Byron
United Nations University Press, 1993
Buku Teks
Campbell, W. K. H., author
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Buku Teks
Gopalan, C., author
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Buku Teks