https://www.syu.ac.kr/cse/2024/01/09/%ec%84%9c%ec%9a%b8%ed%98%95-%eb%89%b4%eb%94%9c%ec%9d%bc%ec%9e%90%eb%a6%ac-%ec%84%9c%ec%9a%b8%ec%97%90%eb%84%88%ec%a7%80%eb%8b%a5%ed%84%b0-%ec%b0%b8%ec%97%ac%ec%9e%90-%eb%aa%a8%ec%a7%91-%ea%b3%b5/