Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40884&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B0%80%EA%B5%AC%ED%8A%B9%EC%84%B1%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EC%83%9D%ED%99%9C%EA%B6%8C%EB%B3%84%20%EC%A3%BC%ED%83%9D%20%EC%A0%90%EC%9C%A0%ED%98%95%ED%83%9C%20%EB%B0%8F%20%EC%9C%A0%ED%98%95%20%EC%84%A0%ED%83%9D%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40884&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B0%80%EA%B5%AC%ED%8A%B9%EC%84%B1%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EC%83%9D%ED%99%9C%EA%B6%8C%EB%B3%84%20%EC%A3%BC%ED%83%9D%20%EC%A0%90%EC%9C%A0%ED%98%95%ED%83%9C%20%EB%B0%8F%20%EC%9C%A0%ED%98%95%20%EC%84%A0%ED%83%9D%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15700
[5] http://www.sdi.re.kr/si_download/40884/6848
[6] http://www.sdi.re.kr/studies_on/15700