Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40891&t=%EB%8B%A4%EC%A4%91%ED%9A%8C%EA%B7%80%EB%A5%BC%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EB%8F%84%EC%8B%AC%20%EC%9E%AC%EC%83%9D%ED%95%98%EC%B2%9C%EC%9D%B4%20%EC%9D%8C%EC%9D%B4%EC%98%A8%20%EB%86%8D%EB%8F%84%EC%97%90%20%EB%AF%B8%EC%B9%98%EB%8A%94%20%EC%98%81%ED%96%A5%20%EB%B6%84%EC%84%9D%3A%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%B2%AD%EA%B3%84%EC%B2%9C%EC%9D%84%20%EB%8C%80%EC%83%81%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40891&text=%EB%8B%A4%EC%A4%91%ED%9A%8C%EA%B7%80%EB%A5%BC%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EB%8F%84%EC%8B%AC%20%EC%9E%AC%EC%83%9D%ED%95%98%EC%B2%9C%EC%9D%B4%20%EC%9D%8C%EC%9D%B4%EC%98%A8%20%EB%86%8D%EB%8F%84%EC%97%90%20%EB%AF%B8%EC%B9%98%EB%8A%94%20%EC%98%81%ED%96%A5%20%EB%B6%84%EC%84%9D%3A%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%B2%AD%EA%B3%84%EC%B2%9C%EC%9D%84%20%EB%8C%80%EC%83%81%EC%9C%BC%EB%A1%9C
[4] http://www.sdi.re.kr/taxonomy/term/15701
[5] http://www.sdi.re.kr/si_download/40891/6855
[6] http://www.sdi.re.kr/studies_on/15701