Ãâó : http://repository.krei.re.kr/bitstream/2018.oak/22966/1/%ec%9c%a0%eb%9f%bd%ec%9d%98%20%ea%b0%80%ec%a0%95%ea%b0%84%ed%8e%b8%ec%8b%9d%28HMR%29%20%ec%82%b0%ec%97%85%ed%98%84%ed%99%a9%3a%20%ec%98%81%ea%b5%ad%2c%20%eb%8f%85%ec%9d%bc%2c%20%ec%9d%b4%ed%83%88%eb%a6%ac%ec%95%84%eb%a5%bc%20%ec%a4%91%ec%8b%ac%ec%9c%bc%eb%a1%9c.pdf