Ãâó : http://cer.knue.ac.kr/bbs/filedown.jsp?bodcode=cer_teacher_edu&filename=%EA%B3%A0%EB%93%B1%ED%95%99%EA%B5%90%20%EB%8F%84%EB%8D%95%EA%B3%BC%20%EC%84%A0%ED%83%9D%20%EA%B5%90%EC%9C%A1%EA%B3%BC%EC%A0%95%EC%9D%98%20%EA%B0%9C%EC%A0%95%EA%B3%BC%20%EA%B7%B8%20%EC%9D%98%EC%9D%98.pdf&maskname=11381977188899