Education Research Institute Seoul National University, 2005
Majalah, Jurnal, Buletin
2001
Majalah, Jurnal, Buletin
Global Competition Review,
Majalah, Jurnal, Buletin
Honolulu : International Secretariat of the Institute of Pasific Relations
Majalah, Jurnal, Buletin
Philippines : De La Salle Univesrsity-Manila, 2005,
Majalah, Jurnal, Buletin