Links
[1] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F43916&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%204%EB%8C%80%20%EC%A0%84%EB%9E%B5%EC%82%B0%EC%97%85%20%ED%98%84%ED%99%A9%20%EB%B0%8F%20%EC%9C%A1%EC%84%B1%EB%B0%A9%EC%95%88
[2] http://www.sdi.re.kr/%23
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F43916&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%204%EB%8C%80%20%EC%A0%84%EB%9E%B5%EC%82%B0%EC%97%85%20%ED%98%84%ED%99%A9%20%EB%B0%8F%20%EC%9C%A1%EC%84%B1%EB%B0%A9%EC%95%88
[4] http://www.sdi.re.kr/taxonomy/term/15887
[5] http://www.sdi.re.kr/si_download/43916/7529
[6] http://www.sdi.re.kr/ceased_policybrief