Ãâó : http://www.ndsl.kr/ndsl/commons/util/ndslOrgDocDown.do?url=/tr_img/2014006/rttrko000000198562.pdf&ex=pdf&filename=%EA%B5%AD%EB%A6%BD%EC%A0%95%EC%8B%A0%EA%B1%B4%EA%B0%95%EC%97%B0%EA%B5%AC%EC%9B%90%20%EC%97%B0%EA%B5%AC%EC%98%88%EC%82%B0%20%EA%B7%9C%EB%AA%A8%20%ED%83%80%EB%8B%B9%EC%84%B1%20%EC%84%A4%EA%B3%84%EC%A1%B0%EC%82%AC%20%EC%97%B0%EA%B5%AC&cn=TRKO201400010716