https://www.syu.ac.kr/blog/2021%eb%85%84-%ea%b5%90%ed%86%b5%ec%82%ac%ea%b3%a0-%ec%9c%a0%ec%9e%90%eb%85%80-%ec%9e%a5%ed%95%99%ea%b8%88-%ec%a7%80%ec%9b%90%ec%82%ac%ec%97%85-%ec%8b%a0%ec%b2%ad%ec%95%88%eb%82%b4%ea%b8%b0%ec%95%84/2021%eb%85%84%eb%8f%84-%ea%b8%b0%ec%95%84%eb%93%9c%eb%a6%bc%ec%9e%a5%ed%95%99%ea%b8%88-%ec%8b%a0%ec%b2%ad-%ec%95%88%eb%82%b4-%ed%8f%ac%ec%8a%a4%ed%84%b0-2/