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Ghalia Indonesia, 2002
Buku Teks
Conlombis, Theodore A
Abasdin, 1990
Buku Teks
Bank Indonesia
Bank Indonesia, 2009
Buku Teks
J. Soedjati Djiwandono, translator
Centre For Strategic and International Studies, 2003
Buku Teks
Inter Parliamentary Union, 2005
Buku Teks