http://www.itdaily.kr/atl/view.asp?a_id=47086

http://www.newsis.com/ar_detail/view.html?ar_id=NISX20140108_0012644610&cID=10811&pID=10800

http://news.itimes.co.kr/news/articleView.html?idxno=509704

http://www.korea.kr/policy/pressReleaseView.do?newsId=155937740

http://www.fnnews.com/view?ra=Sent1001m_View&corp=fnnews&arcid=201401090100085260004060&cDateYear=2014&cDateMonth=01&cDateDay=08

http://www.hankyung.com/news/app/newsview.php?aid=2014010815581

http://biz.newdaily.co.kr/news/article.html?no=10028863

http://beauty.hankooki.com/news/articleView.html?idxno=16693

http://game.donga.com/71317/

http://www.mt.co.kr/view/mtview.php?type=1&no=2014010817160339428&outlink=1