Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40380&t=%5B%EC%97%B0%EA%B5%AC%EB%85%B8%ED%8A%B8%5D%20%EB%8F%99%EA%B2%BD%EB%8F%84%20%EB%82%B4%EB%A6%AC%EB%A7%88%EA%B5%AC%EC%9D%98%20%EA%B3%84%EC%95%BD%ED%98%95%20%EB%85%B9%EC%A7%80%EB%B3%B4%EC%A0%84%EC%A0%9C%EB%8F%84%20%EC%9A%B4%EC%9A%A9%EC%8B%A4%ED%83%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40380&text=%5B%EC%97%B0%EA%B5%AC%EB%85%B8%ED%8A%B8%5D%20%EB%8F%99%EA%B2%BD%EB%8F%84%20%EB%82%B4%EB%A6%AC%EB%A7%88%EA%B5%AC%EC%9D%98%20%EA%B3%84%EC%95%BD%ED%98%95%20%EB%85%B9%EC%A7%80%EB%B3%B4%EC%A0%84%EC%A0%9C%EB%8F%84%20%EC%9A%B4%EC%9A%A9%EC%8B%A4%ED%83%9C
[4] http://www.sdi.re.kr/taxonomy/term/15658
[5] http://www.sdi.re.kr/si_download/40380/6348
[6] http://www.sdi.re.kr/studies_on/15658