Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40439&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%9E%90%EB%8F%99%EC%B0%A8%20%EA%B3%B5%ED%9A%8C%EC%A0%84%20%EC%96%B5%EC%A0%9C%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EA%B7%9C%EC%A0%9C%20%EB%B0%8F%20%EC%9E%90%EC%9C%A8%EC%B0%B8%EC%97%AC%20%EB%B0%A9%EC%95%88
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40439&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%9E%90%EB%8F%99%EC%B0%A8%20%EA%B3%B5%ED%9A%8C%EC%A0%84%20%EC%96%B5%EC%A0%9C%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EA%B7%9C%EC%A0%9C%20%EB%B0%8F%20%EC%9E%90%EC%9C%A8%EC%B0%B8%EC%97%AC%20%EB%B0%A9%EC%95%88
[4] http://www.sdi.re.kr/taxonomy/term/15664
[5] http://www.sdi.re.kr/si_download/40439/6403
[6] http://www.sdi.re.kr/studies_on/15664