Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40916&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%9E%A5%EC%95%A0%EC%9D%B8%EA%B0%80%EA%B5%AC%EC%9D%98%20%EC%B6%94%EA%B0%80%EB%B9%84%EC%9A%A9%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%EC%82%B6%EC%9D%98%20%EC%88%98%EC%A4%80%20%EC%A0%91%EA%B7%BC%EB%B0%A9%EC%8B%9D%EC%9D%84%20%ED%99%9C%EC%9A%A9%ED%95%98%EC%97%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40916&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%9E%A5%EC%95%A0%EC%9D%B8%EA%B0%80%EA%B5%AC%EC%9D%98%20%EC%B6%94%EA%B0%80%EB%B9%84%EC%9A%A9%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%EC%82%B6%EC%9D%98%20%EC%88%98%EC%A4%80%20%EC%A0%91%EA%B7%BC%EB%B0%A9%EC%8B%9D%EC%9D%84%20%ED%99%9C%EC%9A%A9%ED%95%98%EC%97%AC
[4] http://www.si.re.kr/taxonomy/term/15702
[5] http://www.si.re.kr/si_download/40916/6880
[6] http://www.si.re.kr/studies_on/15702