Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40376&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%8F%84%EB%A1%9C%EC%9C%A8%20%EC%82%B0%EC%A0%95%EA%B8%B0%EC%A4%80%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40376&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%8F%84%EB%A1%9C%EC%9C%A8%20%EC%82%B0%EC%A0%95%EA%B8%B0%EC%A4%80%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15658
[5] http://www.sdi.re.kr/si_download/40376/6344
[6] http://www.sdi.re.kr/studies_on/15658