Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40360&t=%EC%84%B8%EA%B3%84%ED%99%94%20%EC%8B%9C%EB%8C%80%EC%9D%98%20%EC%84%9C%EC%9A%B8%2F%EC%88%98%EB%8F%84%EA%B6%8C%20%EC%9E%85%EC%A7%80%EC%9D%98%20%EA%B5%AD%EC%A0%9C%ED%99%94%20%EC%B6%94%EC%A7%84%EC%A0%84%EB%9E%B5
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40360&text=%EC%84%B8%EA%B3%84%ED%99%94%20%EC%8B%9C%EB%8C%80%EC%9D%98%20%EC%84%9C%EC%9A%B8%2F%EC%88%98%EB%8F%84%EA%B6%8C%20%EC%9E%85%EC%A7%80%EC%9D%98%20%EA%B5%AD%EC%A0%9C%ED%99%94%20%EC%B6%94%EC%A7%84%EC%A0%84%EB%9E%B5
[4] http://www.sdi.re.kr/taxonomy/term/15655
[5] http://www.sdi.re.kr/si_download/40360/6329
[6] http://www.sdi.re.kr/studies_on/15655