http://www.ittoday.co.kr/news/articleView.html?idxno=42799

http://news.hankooki.com/lpage/economy/201401/h2014011020445221500.htm

http://www.bloter.net/archives/177068

http://news.heraldcorp.com/view.php?ud=20140110000286&md=20140111003221_AT

http://www.fnnews.com/view?ra=Sent1201m_View&corp=fnnews&arcid=201401100100105950005090&cDateYear=2014&cDateMonth=01&cDateDay=10

http://www.bizwatch.co.kr/?smode=referer&uid=4981&datatype=

http://news.donga.com/3/all/20140110/60079585/1

http://news.donga.com/3/all/20140110/60079914/1

http://www.dailypharm.com/News/179707

http://www.hankyung.com/news/app/newsview.php?aid=2014010927821