Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40547&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%98%A4%ED%94%BC%EC%8A%A4%20%EB%A7%A4%EB%A7%A4%EA%B0%80%EA%B2%A9%EC%A7%80%EC%88%98%20%EA%B0%9C%EB%B0%9C%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%2F40547&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%98%A4%ED%94%BC%EC%8A%A4%20%EB%A7%A4%EB%A7%A4%EA%B0%80%EA%B2%A9%EC%A7%80%EC%88%98%20%EA%B0%9C%EB%B0%9C%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/15674
[5] http://www.sdi.re.kr/si_download/40547/6511
[6] http://www.sdi.re.kr/studies_on/15674