1. (2021.01.12). '19'. . http://www.jjn.co.kr/news/articleView.html?idxno=817183
2. (2020.07.18). “ ” 47%, . . https://www.hani.co.kr/arti/society/health/954167.html#csidx1d4a0e7832f4255a32a3d7859763385
3. , (2021.02.24). ⋯ ‘ ’ . . https://www.donga.com/news/article/all/20210224/105581020/1
4. , (2020).19 :. , 44(8), 79-101.
5. (2021.06.21). [] ?⋯ ‘’. . http://news.kmib.co.kr/article/view.asp?arcid=0924196973&code=11141500&cp=nv