https://www.syu.ac.kr/grad/2020%ed%95%99%eb%85%84%eb%8f%84-2%ed%95%99%ea%b8%b0-%ec%9d%bc%eb%b0%98%eb%8c%80%ed%95%99%ec%9b%90-%ec%88%98%ea%b0%95%ed%8e%b8%eb%9e%8c/2020-2-%ec%88%98%ea%b0%95%ed%8e%b8%eb%9e%8c%ec%9d%bc%eb%b0%98%eb%8c%80%ed%95%99%ec%9b%90_/