http://sports.khan.co.kr/news/sk_index.html?cat=view&art_id=201406301257553&sec_id=564001&pt=nv

http://economy.hankooki.com/lpage/people/201406/e20140630123125118650.htm

http://biz.heraldcorp.com/view.php?ud=20140630000637

http://www.upkorea.net/news/articleView.html?idxno=29585

http://news.mtn.co.kr/newscenter/news_viewer.mtn?gidx=2014063011195598430