Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40497&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%81%EC%9E%A5%EC%A0%91%EA%B7%BC%EB%8F%84%EB%B9%84%EB%A5%BC%20%ED%86%B5%ED%95%9C%20%EC%88%98%EB%8F%84%EA%B6%8C%20%EC%A7%80%ED%95%98%EC%B2%A0%20%EC%97%AD%EC%84%B8%EA%B6%8C%EC%9D%98%20%ED%86%B5%EA%B7%BC%EC%9D%B4%EC%9A%A9%20%EC%9E%A0%EC%9E%AC%EC%84%B1%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40497&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%81%EC%9E%A5%EC%A0%91%EA%B7%BC%EB%8F%84%EB%B9%84%EB%A5%BC%20%ED%86%B5%ED%95%9C%20%EC%88%98%EB%8F%84%EA%B6%8C%20%EC%A7%80%ED%95%98%EC%B2%A0%20%EC%97%AD%EC%84%B8%EA%B6%8C%EC%9D%98%20%ED%86%B5%EA%B7%BC%EC%9D%B4%EC%9A%A9%20%EC%9E%A0%EC%9E%AC%EC%84%B1%20%EB%B6%84%EC%84%9D
[4] http://www.sdi.re.kr/taxonomy/term/15670
[5] http://www.sdi.re.kr/si_download/40497/6461
[6] http://www.sdi.re.kr/studies_on/15670