Krugman, Paul R.
International economics : theory and policy
Pearson Education , 2014
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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
John Wiley & Sons, 2007
 Buku Teks SO
Krugman, Paul R.
International economics : theory and policy
Addison-Wesley, 2000
 Buku Teks SO