Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40482&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%9E%AC%EB%9E%98%EC%8B%9C%EC%9E%A5%20%EC%9C%A0%ED%98%95%EB%B3%84%20%EC%A0%84%EC%9E%90%EC%83%81%EA%B1%B0%EB%9E%98%EC%8B%9C%EC%8A%A4%ED%85%9C%20%EB%8F%84%EC%9E%85%20%EB%B0%A9%EC%95%88%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40482&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%9E%AC%EB%9E%98%EC%8B%9C%EC%9E%A5%20%EC%9C%A0%ED%98%95%EB%B3%84%20%EC%A0%84%EC%9E%90%EC%83%81%EA%B1%B0%EB%9E%98%EC%8B%9C%EC%8A%A4%ED%85%9C%20%EB%8F%84%EC%9E%85%20%EB%B0%A9%EC%95%88%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15668
[5] http://www.sdi.re.kr/si_download/40482/6446
[6] http://www.sdi.re.kr/studies_on/15668