https://www.syu.ac.kr/grad/%e3%80%8c%ec%a0%9c1%ed%9a%8c-%eb%8c%80%ed%95%99%ec%9b%90%ec%83%9d-%eb%b3%b4%ec%9d%b4%ec%8a%a4%ed%94%bc%ec%8b%b1-%ec%98%88%eb%b0%a9-%eb%85%bc%eb%ac%b8-%ea%b3%b5%eb%aa%a8%ec%a0%84%e3%80%8d-%ec%95%88/1-5/