Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40471&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B0%80%EB%9D%BD%EB%8F%99%20%EB%86%8D%EC%88%98%EC%82%B0%EB%AC%BC%EB%8F%84%EB%A7%A4%EC%8B%9C%EC%9E%A5%EC%9D%98%20%EB%AC%BC%EB%A5%98%ED%98%81%EC%8B%A0%20%EA%B3%BC%EC%A0%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40471&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B0%80%EB%9D%BD%EB%8F%99%20%EB%86%8D%EC%88%98%EC%82%B0%EB%AC%BC%EB%8F%84%EB%A7%A4%EC%8B%9C%EC%9E%A5%EC%9D%98%20%EB%AC%BC%EB%A5%98%ED%98%81%EC%8B%A0%20%EA%B3%BC%EC%A0%9C
[4] http://www.sdi.re.kr/taxonomy/term/15667
[5] http://www.sdi.re.kr/si_download/40471/6435
[6] http://www.sdi.re.kr/studies_on/15667