http://www.korea.kr/policy/pressReleaseView.do?newsId=155936878

http://www.newsis.com/ar_detail/view.html?ar_id=NISX20140102_0012634521&cID=10201&pID=10200

http://www.itworld.co.kr/news/85352

http://news.mtn.co.kr/newscenter/news_viewer.mtn?gidx=2013123116261761986

http://news.donga.com/3/all/20140101/59916724/1

http://www.etoday.co.kr/news/section/newsview.php?idxno=846003

http://fashion.mk.co.kr/view.php?no=1364447&year=2013

http://www.gukjenews.com/news/articleView.html?idxno=67560

http://news1.kr/articles/1472690

http://www.eto.co.kr/news/outview.asp?Code=20131231104546243&ts=85347