Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40902&t=%EA%B0%9C%EC%A7%88%20%EC%9E%AC%EC%83%9D%EC%95%84%EC%8A%A4%ED%8C%94%ED%8A%B8%20%ED%98%BC%ED%95%A9%EB%AC%BC%20%EC%82%AC%EC%9A%A9%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EC%83%9D%EC%95%A0%EC%A3%BC%EA%B8%B0%EB%B9%84%EC%9A%A9%20%EB%B6%84%EC%84%9D%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40902&text=%EA%B0%9C%EC%A7%88%20%EC%9E%AC%EC%83%9D%EC%95%84%EC%8A%A4%ED%8C%94%ED%8A%B8%20%ED%98%BC%ED%95%A9%EB%AC%BC%20%EC%82%AC%EC%9A%A9%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EC%83%9D%EC%95%A0%EC%A3%BC%EA%B8%B0%EB%B9%84%EC%9A%A9%20%EB%B6%84%EC%84%9D%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15701
[5] http://www.sdi.re.kr/si_download/40902/6866
[6] http://www.sdi.re.kr/studies_on/15701