http://www.it.co.kr/news/mediaitNewsView.php?nSeq=2527571

http://khnews.kheraldm.com/view.php?ud=20140103000501&md=20140106003329_AT

http://www.etnews.com/news/international/2896236_1496.html

http://www.zdnet.co.kr/news/news_view.asp?artice_id=20140103001400&type=xml

http://www.newsis.com/ar_detail/view.html?ar_id=NISX20140103_0012636544&cID=10402&pID=10400

http://news.khan.co.kr/kh_news/khan_art_view.html?artid=201401051211511&code=930100

http://biz.chosun.com/site/data/html_dir/2014/01/03/2014010300504.html

http://www.asiatoday.co.kr/news/view.asp?seq=917983

http://www.munhwa.com/news/view.html?no=2014010201031627109003

http://www.dt.co.kr/contents.html?article_no=2014010202019976798005