International economics
by George Zis ... [et al.]
Longman, 1988
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Walter, Ingo
International economics
John Wiley & Sons, 1981
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Salvatore, Dominick
International economics
Prentice-Hall, 1995
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Salvatore, Dominick
International economics
John Wiley & Sons, 2007
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Appleyard, Dennis R.
International economics
Irwin , 1995
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