20100420155700.0 1229-957X Gieob gyeong'yeong yeon'gu. 1229-957X Gieob gyeong'yeong yeon'gu. 1229-957X Gieob gyeong'yeong yeon'gu - han'gug gieob gyeong'yeong haghoe 1229-957X Gieob gyeong'yeong yeon'gu - han'gug gieob gyeong'yeong haghoe 1229-957X Korea (South)