Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40879&t=%EC%A0%95%EB%B9%84%EC%82%AC%EC%97%85%20%EC%A1%B0%ED%95%A9%EC%84%A4%EB%A6%BD%EC%B6%94%EC%A7%84%EC%9C%84%EC%9B%90%ED%9A%8C%20%EB%8B%A8%EA%B3%84%EC%9D%98%20%EC%86%8C%EC%86%A1%ED%98%84%ED%99%A9%20%EB%B0%8F%20%EA%B0%88%EB%93%B1%EC%9A%94%EC%9D%B8%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40879&text=%EC%A0%95%EB%B9%84%EC%82%AC%EC%97%85%20%EC%A1%B0%ED%95%A9%EC%84%A4%EB%A6%BD%EC%B6%94%EC%A7%84%EC%9C%84%EC%9B%90%ED%9A%8C%20%EB%8B%A8%EA%B3%84%EC%9D%98%20%EC%86%8C%EC%86%A1%ED%98%84%ED%99%A9%20%EB%B0%8F%20%EA%B0%88%EB%93%B1%EC%9A%94%EC%9D%B8%20%EB%B6%84%EC%84%9D
[4] http://www.sdi.re.kr/taxonomy/term/15700
[5] http://www.sdi.re.kr/si_download/40879/6843
[6] http://www.sdi.re.kr/studies_on/15700