Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40896&t=%EC%82%AC%ED%9A%8C%EB%B3%B5%EC%A7%80%EC%A1%B0%EC%A7%81%EC%9D%98%20%ED%98%81%EC%8B%A0%20%EC%B4%89%EC%A7%84%EC%A0%9C%EB%A1%9C%EC%84%9C%20%EC%B5%9C%EA%B3%A0%EA%B4%80%EB%A6%AC%EC%9E%90%EC%9D%98%20%EB%A6%AC%EB%8D%94%EC%8B%AD
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40896&text=%EC%82%AC%ED%9A%8C%EB%B3%B5%EC%A7%80%EC%A1%B0%EC%A7%81%EC%9D%98%20%ED%98%81%EC%8B%A0%20%EC%B4%89%EC%A7%84%EC%A0%9C%EB%A1%9C%EC%84%9C%20%EC%B5%9C%EA%B3%A0%EA%B4%80%EB%A6%AC%EC%9E%90%EC%9D%98%20%EB%A6%AC%EB%8D%94%EC%8B%AD
[4] http://www.sdi.re.kr/taxonomy/term/15701
[5] http://www.sdi.re.kr/si_download/40896/6860
[6] http://www.sdi.re.kr/studies_on/15701