archive
원문 _ http://www.the-pr.co.kr/news/articleView.html?idxno=30676
원문 _ http://v.media.daum.net/v/20180205164223021
원문 _ http://www.the-pr.co.kr/news/articleView.html?idxno=26857
원문 _ http://news.joins.com/article/22342090
원문 _ http://ttimes.co.kr/view.html?no=2018013118357753399
원문 _ http://www.the-pr.co.kr/news/articleView.html?idxno=26929
원문 _ http://ttimes.kr/view.html?no=2017111917297721324&ref=face
원문 _ http://www.hani.co.kr/arti/economy/it/828771.html