Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40919&t=%EA%B8%B0%ED%9B%84%EB%B3%80%ED%99%94%EC%97%90%20%EB%8C%80%EC%9D%91%ED%95%9C%20%EC%8B%9C%EB%AF%BC%EC%B0%B8%EC%97%AC%ED%98%95%20%EC%9E%AC%ED%95%B4%EA%B4%80%EB%A6%AC%20%EC%8B%9C%EC%8A%A4%ED%85%9C%20%EA%B5%AC%EC%83%81%EA%B3%BC%20%EC%A0%95%EC%B1%85%EA%B3%BC%EC%A0%9C%3A%ED%99%8D%EC%88%98%EC%9E%AC%ED%95%B4%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%2F40919&text=%EA%B8%B0%ED%9B%84%EB%B3%80%ED%99%94%EC%97%90%20%EB%8C%80%EC%9D%91%ED%95%9C%20%EC%8B%9C%EB%AF%BC%EC%B0%B8%EC%97%AC%ED%98%95%20%EC%9E%AC%ED%95%B4%EA%B4%80%EB%A6%AC%20%EC%8B%9C%EC%8A%A4%ED%85%9C%20%EA%B5%AC%EC%83%81%EA%B3%BC%20%EC%A0%95%EC%B1%85%EA%B3%BC%EC%A0%9C%3A%ED%99%8D%EC%88%98%EC%9E%AC%ED%95%B4%EB%A5%BC%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.sdi.re.kr/taxonomy/term/15702
[5] http://www.sdi.re.kr/si_download/40919/6883
[6] http://www.sdi.re.kr/studies_on/15702