Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40522&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%AC%BC%EB%A5%98%EC%A0%95%EC%B1%85%EC%9D%98%20%EB%B0%A9%ED%96%A5%EA%B3%BC%20%EA%B3%B5%EA%B3%B5%EB%B6%80%EB%AC%B8%EC%9D%98%20%EC%97%AD%ED%95%A0%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%2F40522&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%AC%BC%EB%A5%98%EC%A0%95%EC%B1%85%EC%9D%98%20%EB%B0%A9%ED%96%A5%EA%B3%BC%20%EA%B3%B5%EA%B3%B5%EB%B6%80%EB%AC%B8%EC%9D%98%20%EC%97%AD%ED%95%A0%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/15672
[5] http://www.sdi.re.kr/si_download/40522/6486
[6] http://www.sdi.re.kr/studies_on/15672