Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40474&t=%5B%EC%97%B0%EA%B5%AC%EB%85%B8%ED%8A%B8%5D%20%EC%88%98%EC%A7%88%20%EC%A4%91%20%EC%A4%91%EA%B8%88%EC%86%8D%20%EC%84%B1%EB%B6%84%EC%9D%98%20%EA%B7%9C%EC%A0%9C%EA%B8%B0%EC%A4%80%20%EB%AC%B8%EC%A0%9C%EC%A0%90%20%3A%20%EC%88%98%EC%9D%80%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40474&text=%5B%EC%97%B0%EA%B5%AC%EB%85%B8%ED%8A%B8%5D%20%EC%88%98%EC%A7%88%20%EC%A4%91%20%EC%A4%91%EA%B8%88%EC%86%8D%20%EC%84%B1%EB%B6%84%EC%9D%98%20%EA%B7%9C%EC%A0%9C%EA%B8%B0%EC%A4%80%20%EB%AC%B8%EC%A0%9C%EC%A0%90%20%3A%20%EC%88%98%EC%9D%80%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.si.re.kr/taxonomy/term/15667
[5] http://www.si.re.kr/si_download/40474/6438
[6] http://www.si.re.kr/studies_on/15667