Graduate School of Public Administration (GSPA), Seoul National Universty,
Majalah, Jurnal, Buletin
Sage, 2018
Majalah, Jurnal, Buletin
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Majalah, Jurnal, Buletin
Rourke, John T.
Mc Graw Hill, 2009
Buku Teks
Kajian Wilayah Eropa, 2005
Majalah, Jurnal, Buletin