http://www.daejonilbo.com/news/newsitem.asp?pk_no=1305388
http://news.mk.co.kr/newsRead.php?year=2018&no=180613
http://news.mk.co.kr/newsRead.php?year=2017&no=838091
http://article.joins.com/news/article/article.asp?total_id=13040497&ctg=1213
http://www.kbmaeil.com/news/articleView.html?idxno=278323
https://www.youtube.com/watch?v=Zv8-kv0kvi4&feature=youtu.be