Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40563&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%20%EB%8C%80%EC%A4%91%EA%B5%90%ED%86%B5%EC%B2%B4%EA%B3%84%20%EA%B0%9C%ED%8E%B8%20%EC%A0%84%ED%9B%84%EC%9D%98%20%EB%B2%84%EC%8A%A4%EC%82%AC%EA%B3%A0%20%EB%B9%84%EA%B5%90
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40563&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%20%EB%8C%80%EC%A4%91%EA%B5%90%ED%86%B5%EC%B2%B4%EA%B3%84%20%EA%B0%9C%ED%8E%B8%20%EC%A0%84%ED%9B%84%EC%9D%98%20%EB%B2%84%EC%8A%A4%EC%82%AC%EA%B3%A0%20%EB%B9%84%EA%B5%90
[4] http://www.sdi.re.kr/taxonomy/term/15676
[5] http://www.sdi.re.kr/si_download/40563/6527
[6] http://www.sdi.re.kr/studies_on/15676