Ãâó : http://www.ndsl.kr/ndsl/commons/util/ndslOrgDocDown.do?url=/tr_img/2015004/rttrko000000218497.pdf&ex=pdf&filename=%EA%B3%BC%ED%95%99%EA%B8%B0%EC%88%A0%EB%8D%B0%EC%9D%B4%ED%84%B0%20%EC%8B%A0%EB%A2%B0%EB%8F%84%20%EC%A0%9C%EA%B3%A0%20%EB%B0%8F%20%EB%A6%AC%ED%8F%AC%EC%A7%80%ED%86%A0%EB%A6%AC%20%EC%9A%B4%EC%98%81%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC&cn=TRKO201500002317