https://www.syu.ac.kr/grad/2023%eb%85%84-1%ed%95%99%ea%b8%b0-%ec%88%99%eb%aa%85%ec%97%ac%ec%9e%90%eb%8c%80%ed%95%99%ea%b5%90-%eb%8c%80%ed%95%99%ec%9b%90-%ed%95%99%ec%a0%90%ea%b5%90%eb%a5%98-%ec%8b%a0%ec%b2%ad-%ec%95%88%eb%82%b4/