참고기사 링크 https://www.eroun.net/news/articleView.html?idxno=30321
http://segyebiz.com/newsView/20220722508847
https://www.fntimes.com/html/view.php?ud=202104220957068471645ffc9771_18
https://www.yna.co.kr/view/AKR20210409115700005
http://sit.skhappiness.org/story/82
https://www.venturesquare.net/799038
http://m.ablenews.co.kr/News/newscontent.aspx?categorycode=0047&newscode=004720200117131827497731
http://weekly.khan.co.kr/khnm.html?mode=view&code=115&artid=201909061533211