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International Monetary Fund, 1980
Buku Teks
edited by Geert De Baere and Jan Wouters
UK Edward Elgar Publishing, 2015
Buku Teks
Dam, Kenneth W., author
The Brooking Institution, 2006
Buku Teks
Brownlie, Ian, author
Clarendon Press, 1963
Buku Teks
Nice, Richard W.
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Buku Teks