. "professor of international relations at the Seoul national University (en 1989)" . "2013-07-25"^^ . . . . . "Yong-Chool" . "1992-12-17" . . "2013-07-26" . . . . . "Ha" . . "0000000072719904" . . . . . . "Yong-Chool Ha" . . "VIAF" . "professor of international relations at the Seoul national University (en 1989)"@fr . . "12278430"^^ . "Yong-Chool Ha"@fr . "professor of international relations at the Seoul national University (en 1989)" . .