Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40584&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%86%8D%EB%8F%84-%EC%A0%90%EC%9C%A0%EC%9C%A8%20%EA%B4%80%EA%B3%84%EB%8F%84%EB%A5%BC%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EB%8F%8C%EB%B0%9C%EC%83%81%ED%99%A9%20%EA%B2%80%EC%A7%80%20%EC%95%8C%EA%B3%A0%EB%A6%AC%EC%A6%98%20%EA%B0%9C%EB%B0%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40584&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%86%8D%EB%8F%84-%EC%A0%90%EC%9C%A0%EC%9C%A8%20%EA%B4%80%EA%B3%84%EB%8F%84%EB%A5%BC%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EB%8F%8C%EB%B0%9C%EC%83%81%ED%99%A9%20%EA%B2%80%EC%A7%80%20%EC%95%8C%EA%B3%A0%EB%A6%AC%EC%A6%98%20%EA%B0%9C%EB%B0%9C
[4] http://www.sdi.re.kr/taxonomy/term/15677
[5] http://www.sdi.re.kr/si_download/40584/6548
[6] http://www.sdi.re.kr/studies_on/15677