Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F38563&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%86%8C%EB%9F%89%EB%B0%B0%EC%B6%9C%20%EC%A7%80%EC%A0%95%ED%8F%90%EA%B8%B0%EB%AC%BC%EC%9D%98%20%EB%B0%9C%EC%83%9D%C2%B7%EC%B2%98%EB%A6%AC%EC%B2%B4%EA%B3%84%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F38563&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%86%8C%EB%9F%89%EB%B0%B0%EC%B6%9C%20%EC%A7%80%EC%A0%95%ED%8F%90%EA%B8%B0%EB%AC%BC%EC%9D%98%20%EB%B0%9C%EC%83%9D%C2%B7%EC%B2%98%EB%A6%AC%EC%B2%B4%EA%B3%84%20%EB%B6%84%EC%84%9D
[4] http://www.sdi.re.kr/taxonomy/term/1806
[5] http://www.sdi.re.kr/si_download/38563/6246
[6] http://www.sdi.re.kr/studies_on/1806