Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40908&t=%EC%84%9C%EC%9A%B8%EC%9D%98%20%EC%9E%A5%EC%88%98%EB%8F%84%EC%9D%98%20%EC%8B%9C%C2%B7%EA%B3%B5%EA%B0%84%EC%A0%81%20%EB%B3%80%ED%99%94%EC%99%80%20%EC%9E%A5%EC%88%98%20%EC%BB%A4%EB%AE%A4%EB%8B%88%ED%8B%B0%EC%9D%98%20%ED%8A%B9%EC%84%B1%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40908&text=%EC%84%9C%EC%9A%B8%EC%9D%98%20%EC%9E%A5%EC%88%98%EB%8F%84%EC%9D%98%20%EC%8B%9C%C2%B7%EA%B3%B5%EA%B0%84%EC%A0%81%20%EB%B3%80%ED%99%94%EC%99%80%20%EC%9E%A5%EC%88%98%20%EC%BB%A4%EB%AE%A4%EB%8B%88%ED%8B%B0%EC%9D%98%20%ED%8A%B9%EC%84%B1%20%EB%B6%84%EC%84%9D
[4] http://www.si.re.kr/taxonomy/term/15702
[5] http://www.si.re.kr/si_download/40908/6872
[6] http://www.si.re.kr/studies_on/15702