https://www.syu.ac.kr/service/%ec%a0%84%ea%b3%b5%ec%97%b0%ea%b3%84%eb%b4%89%ec%82%ac%ed%81%b4%eb%9f%bd2017-1-%ec%a0%84%ea%b3%b5%ec%97%b0%ea%b3%84%eb%b4%89%ec%82%ac%ed%81%b4%eb%9f%bd-%ec%8b%a0%ec%b2%ad%ec%84%9c-%eb%b0%8f-2/