https://www.syu.ac.kr/iie/2024/08/01/%ec%84%b8%ea%b3%84-%eb%8c%80%ed%95%99%ec%83%9d-%ea%b1%b4%ea%b0%95%ec%b4%9d%ed%9a%8c-%ea%b0%9c%ec%b5%9c-%ec%95%88%eb%82%b4/