희철 started following the work of 남수 김, Korea University, Republic of Korea, Department of Economics. 2012-03-25 19:12:19 -0700
희철 started following the work of 승문 안. 2011-09-15 16:29:00 -0700
희철 started following the work of Sekyun Kim, Seoul National University, Depaartment of Pol. Science. 2011-09-02 08:35:41 -0700
Independent Researcher
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