archive
원문 _ https://brunch.co.kr/@plusx/13?fbclid=IwAR2s4eNe_yulkGJQTvSKcMNhB3yv5i9bJWt2bGDdgyO5o23uqDS5hwk238Y
원문 _ https://terms.naver.com/entry.nhn?docId=3566849&cid=59120&categoryId=59120
원문 _ http://news.khan.co.kr/kh_news/khan_art_view.html?artid=201805182113035
원문 _ http://blog.naver.com/PostView.nhn?blogId=book_habit&logNo=221062935333&redirect=Dlog&widgetTypeCall=true