Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40577&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EB%AF%B8%EA%B5%AD%20%EB%8F%84%EC%8B%9C%EB%AF%B8%ED%99%94%20%EC%9A%B4%EB%8F%99%EC%9D%98%20%ED%98%84%EB%8C%80%EC%A0%81%20%EC%9D%B4%ED%95%B4%3A%20%EA%B7%B8%20%ED%87%B4%EC%9E%A5%EA%B3%BC%20%EC%9C%A0%EC%82%B0%EC%9D%84%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%2F40577&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EB%AF%B8%EA%B5%AD%20%EB%8F%84%EC%8B%9C%EB%AF%B8%ED%99%94%20%EC%9A%B4%EB%8F%99%EC%9D%98%20%ED%98%84%EB%8C%80%EC%A0%81%20%EC%9D%B4%ED%95%B4%3A%20%EA%B7%B8%20%ED%87%B4%EC%9E%A5%EA%B3%BC%20%EC%9C%A0%EC%82%B0%EC%9D%84%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/40577/6541
[6] http://www.sdi.re.kr/studies_on/15677