https://www.syu.ac.kr/iie/2023/07/01/%ed%83%9c%ea%b0%95%eb%a6%89-%ec%97%ad%ec%82%ac%eb%ac%b8%ed%99%94%ec%b2%b4%ed%97%98-%ec%84%b8%ea%b3%84%ec%9c%a0%ec%82%b0-%ec%a1%b0%ec%84%a0%ec%99%95%eb%a6%89-%ec%86%8c%eb%9d%bd%ed%96%89/