Experience
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2005. 1 ~ 2006. 1 Visiting Professor, The University of Auckland, New Zealand
2011. 1 ~ 2012. 1 Visiting Professor, The University of Oklahoma, USA
2005. 1 ~ 2006. 1 Visiting Professor, The University of Auckland, New Zealand
2011. 1 ~ 2012. 1 Visiting Professor, The University of Oklahoma, USA