Ãâó : http://www.kmac.co.kr/commoninc/Download.asp?df=/upload/opencourse/20170213/20170213151317132003.pdf&dfn=%5B%EA%B5%90%EC%9C%A1%EC%95%88%EB%82%B4%EB%AC%B8%5D%EB%B9%84%EC%A6%88%EB%8B%88%EC%8A%A4+%EB%AA%A8%EB%8D%B8+%EA%B0%9C%EB%B0%9C+%EB%B0%8F+%EC%8B%A4%ED%96%89%5F12%EC%9B%94%2Epdf