Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40536&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%9D%BC%EB%B0%98%EA%B5%AD%EB%8F%84%20%EA%B5%90%ED%86%B5%EC%A1%B0%EC%82%AC%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EB%8F%99%EC%A7%88%EC%84%B1%20%EA%B5%AC%EA%B0%84%20%EB%B6%84%EB%A5%98%EA%B8%B0%EB%B2%95%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40536&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%9D%BC%EB%B0%98%EA%B5%AD%EB%8F%84%20%EA%B5%90%ED%86%B5%EC%A1%B0%EC%82%AC%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EB%8F%99%EC%A7%88%EC%84%B1%20%EA%B5%AC%EA%B0%84%20%EB%B6%84%EB%A5%98%EA%B8%B0%EB%B2%95%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15673
[5] http://www.sdi.re.kr/si_download/40536/6500
[6] http://www.sdi.re.kr/studies_on/15673