Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40401&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%ED%86%A0%EC%96%91%ED%94%BC%EB%B3%B5%EB%8F%84%20%EB%B6%84%EC%84%9D%EC%9D%84%20%ED%86%B5%ED%95%9C%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%ED%99%98%EA%B2%BD%EC%9A%A9%EB%9F%89%20%ED%8F%89%EA%B0%80
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40401&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%ED%86%A0%EC%96%91%ED%94%BC%EB%B3%B5%EB%8F%84%20%EB%B6%84%EC%84%9D%EC%9D%84%20%ED%86%B5%ED%95%9C%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%ED%99%98%EA%B2%BD%EC%9A%A9%EB%9F%89%20%ED%8F%89%EA%B0%80
[4] http://www.sdi.re.kr/taxonomy/term/15660
[5] http://www.sdi.re.kr/si_download/40401/6369
[6] http://www.sdi.re.kr/studies_on/15660