Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40479&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EB%B6%88%ED%88%AC%EC%88%98%EC%9C%A8%EC%9D%B4%20%ED%95%98%EC%B2%9C%EC%88%98%EC%A7%88%EC%97%90%20%EB%AF%B8%EC%B9%98%EB%8A%94%20%EC%98%81%ED%96%A5%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40479&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EB%B6%88%ED%88%AC%EC%88%98%EC%9C%A8%EC%9D%B4%20%ED%95%98%EC%B2%9C%EC%88%98%EC%A7%88%EC%97%90%20%EB%AF%B8%EC%B9%98%EB%8A%94%20%EC%98%81%ED%96%A5%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15668
[5] http://www.sdi.re.kr/si_download/40479/6443
[6] http://www.sdi.re.kr/studies_on/15668