Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40430&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%B4%88%EA%B8%B0%20%EA%B0%95%EC%9A%B0%EB%A1%9C%20%EC%9D%B8%ED%95%9C%20%EC%A4%91%EB%9E%91%EC%B2%9C%20%EC%9C%A0%EC%97%AD%EC%97%90%EC%84%9C%EC%9D%98%20%EB%B9%84%EC%A0%90%EC%98%A4%EC%97%BC%EB%B6%80%ED%95%98%EB%9F%89%20%EC%82%B0%EC%A0%95%EC%97%90%20%EA%B4%80%ED%95%9C%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40430&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%B4%88%EA%B8%B0%20%EA%B0%95%EC%9A%B0%EB%A1%9C%20%EC%9D%B8%ED%95%9C%20%EC%A4%91%EB%9E%91%EC%B2%9C%20%EC%9C%A0%EC%97%AD%EC%97%90%EC%84%9C%EC%9D%98%20%EB%B9%84%EC%A0%90%EC%98%A4%EC%97%BC%EB%B6%80%ED%95%98%EB%9F%89%20%EC%82%B0%EC%A0%95%EC%97%90%20%EA%B4%80%ED%95%9C%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15663
[5] http://www.sdi.re.kr/si_download/40430/6395
[6] http://www.sdi.re.kr/studies_on/15663