Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40367&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B3%B5%EA%B3%B5%EA%B7%BC%EB%A1%9C%EC%82%AC%EC%97%85%EC%9D%98%20%ED%9A%A8%EA%B3%BC%EC%84%B1%20%ED%8F%89%EA%B0%80
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40367&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B3%B5%EA%B3%B5%EA%B7%BC%EB%A1%9C%EC%82%AC%EC%97%85%EC%9D%98%20%ED%9A%A8%EA%B3%BC%EC%84%B1%20%ED%8F%89%EA%B0%80
[4] http://www.si.re.kr/taxonomy/term/15656
[5] http://www.si.re.kr/si_download/40367/6336
[6] http://www.si.re.kr/studies_on/15656