https://www.syu.ac.kr/iie/2025/04/21/%ec%84%9c%ec%9a%b8%ea%b8%80%eb%a1%9c%eb%b2%8c%ec%84%bc%ed%84%b0-%ed%86%a0%ed%94%bd-%eb%8c%80%eb%b9%84%eb%b0%98-2%ea%b8%b0%ec%98%a8%eb%9d%bc%ec%9d%b8-%ea%b5%90%ec%9c%a1-%ec%b0%b8%ec%97%ac%ec%9e%90/