Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40903&t=%EC%A3%BC%EA%B1%B0%EC%9E%AC%EC%83%9D%20%EC%A0%95%EC%B1%85%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC%EC%97%90%EC%84%9C%20%EA%B3%B5%EA%B3%B5%EA%B8%B0%EA%B4%80%EC%9D%98%20%EC%97%AD%ED%95%A0%3A%20%ED%95%B4%ED%94%BC%ED%95%98%EC%9A%B0%EC%8A%A4%20%EC%82%AC%EB%A1%80%EB%A5%BC%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40903&text=%EC%A3%BC%EA%B1%B0%EC%9E%AC%EC%83%9D%20%EC%A0%95%EC%B1%85%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC%EC%97%90%EC%84%9C%20%EA%B3%B5%EA%B3%B5%EA%B8%B0%EA%B4%80%EC%9D%98%20%EC%97%AD%ED%95%A0%3A%20%ED%95%B4%ED%94%BC%ED%95%98%EC%9A%B0%EC%8A%A4%20%EC%82%AC%EB%A1%80%EB%A5%BC%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.sdi.re.kr/taxonomy/term/15701
[5] http://www.sdi.re.kr/si_download/40903/6867
[6] http://www.sdi.re.kr/studies_on/15701