https://www.syu.ac.kr/grad/%ea%b5%ad%ea%b0%80%ec%9d%b8%ec%9e%ac-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b2%a0%ec%9d%b4%ec%8a%a4-%eb%93%b1%eb%a1%9d-%ec%95%88%eb%82%b4%eb%b0%95%ec%82%ac%ed%95%99%ec%9c%84-%ec%b7%a8%eb%93%9d%ec%9e%90/