Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40532&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%9D%B8%ED%84%B0%EB%84%B7%EC%82%B0%EC%97%85%20%EC%A7%91%EC%A0%81%EC%A7%80%EA%B5%AC%EC%9D%98%20%EA%B3%B5%EA%B0%84%EC%A0%81%20%ED%8A%B9%EC%84%B1
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40532&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%9D%B8%ED%84%B0%EB%84%B7%EC%82%B0%EC%97%85%20%EC%A7%91%EC%A0%81%EC%A7%80%EA%B5%AC%EC%9D%98%20%EA%B3%B5%EA%B0%84%EC%A0%81%20%ED%8A%B9%EC%84%B1
[4] http://www.si.re.kr/taxonomy/term/15673
[5] http://www.si.re.kr/si_download/40532/6496
[6] http://www.si.re.kr/studies_on/15673