Education Research Institute Seoul National University, 2005
Majalah, Jurnal, Buletin
De La Saller University, 2005
Majalah, Jurnal, Buletin
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Asian Development Bank, 2020
Buku Teks
Asia Pacific Economics Group
Jakarta Post, 1996
Buku Teks
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World of Information, 1980
Buku Teks