Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40358&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%ED%8E%B8%EC%A7%91%EC%A7%80%EC%A0%81%EB%8D%B0%EC%9D%B4%ED%84%B0%20%EC%A0%9C%EC%9E%91%EC%9D%84%20%EC%9C%84%ED%95%9C%20%EA%B8%B0%EC%88%A0%EC%A7%80%EC%B9%A8%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40358&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%ED%8E%B8%EC%A7%91%EC%A7%80%EC%A0%81%EB%8D%B0%EC%9D%B4%ED%84%B0%20%EC%A0%9C%EC%9E%91%EC%9D%84%20%EC%9C%84%ED%95%9C%20%EA%B8%B0%EC%88%A0%EC%A7%80%EC%B9%A8%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15655
[5] http://www.sdi.re.kr/si_download/40358/6327
[6] http://www.sdi.re.kr/studies_on/15655