Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40480&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EB%82%A8%ED%95%98%EC%88%98%EC%B2%98%EB%A6%AC%EC%9E%A5%20%EC%B5%9C%EC%A2%85%20%EB%B0%A9%EB%A5%98%EA%B5%AC%EC%9D%98%20%EC%9C%84%EC%B9%98%EC%97%90%20%EB%94%B0%EB%A5%B8%20%ED%95%9C%EA%B0%95%20%EC%88%98%EC%A7%88%20%EB%B0%8F%20%EC%83%9D%ED%83%9C%EA%B3%84%EC%9D%98%20%EC%98%81%ED%96%A5
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40480&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EB%82%A8%ED%95%98%EC%88%98%EC%B2%98%EB%A6%AC%EC%9E%A5%20%EC%B5%9C%EC%A2%85%20%EB%B0%A9%EB%A5%98%EA%B5%AC%EC%9D%98%20%EC%9C%84%EC%B9%98%EC%97%90%20%EB%94%B0%EB%A5%B8%20%ED%95%9C%EA%B0%95%20%EC%88%98%EC%A7%88%20%EB%B0%8F%20%EC%83%9D%ED%83%9C%EA%B3%84%EC%9D%98%20%EC%98%81%ED%96%A5
[4] http://www.sdi.re.kr/taxonomy/term/15668
[5] http://www.sdi.re.kr/si_download/40480/6444
[6] http://www.sdi.re.kr/studies_on/15668