https://www.syu.ac.kr/iie/2025/04/28/%ec%a0%9c-1%ed%9a%8c-%ec%99%b8%ea%b5%ad%ec%9d%b8-%ec%9c%a0%ed%95%99%ec%83%9d-%eb%8c%80%ed%95%99-%eb%b0%8f-%eb%8c%80%ed%95%99%ec%9b%90-%ec%9e%85%ed%95%99%ec%a0%95%eb%b3%b4%ed%8e%98%ec%96%b4suef/