Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40574&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%83%9D%ED%99%9C%EA%B6%8C%EA%B3%84%ED%9A%8D%EC%9D%98%20%EC%9A%B4%EC%98%81%EC%8B%A4%ED%83%9C%EC%99%80%20%EA%B0%9C%EC%84%A0%EB%B0%A9%ED%96%A5%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%20%EB%8F%84%EC%BF%84%EB%8F%84%EC%99%80%EC%9D%98%20%EB%B9%84%EA%B5%90%EB%A5%BC%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40574&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%83%9D%ED%99%9C%EA%B6%8C%EA%B3%84%ED%9A%8D%EC%9D%98%20%EC%9A%B4%EC%98%81%EC%8B%A4%ED%83%9C%EC%99%80%20%EA%B0%9C%EC%84%A0%EB%B0%A9%ED%96%A5%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%20%EB%8F%84%EC%BF%84%EB%8F%84%EC%99%80%EC%9D%98%20%EB%B9%84%EA%B5%90%EB%A5%BC%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.sdi.re.kr/taxonomy/term/15677
[5] http://www.sdi.re.kr/si_download/40574/6538
[6] http://www.sdi.re.kr/studies_on/15677