http://www.heraldbiz.com/SITE/data/html_dir/2008/10/21/200810210530.asp
http://www.asiae.co.kr/news/view.htm?idxno=2008032513331220452&nvr=y
http://news.kukinews.com/article/view.asp?page=1&gCode=kmi&arcid=0920510097&cp=nv
http://www.mt.co.kr/view/mtview.php?type=1&no=2007020413343901925&outlink=1
seedsong.pe.kr