Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40449&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EB%B0%A9%EC%A0%95%EB%B6%80%EC%9D%98%20%EB%B6%80%EC%B1%84%EC%88%98%EC%A4%80%20%EA%B2%B0%EC%A0%95%EC%9A%94%EC%9D%B8%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%20%EB%AF%B8%EA%B5%AD%20%EB%89%B4%EC%A0%80%EC%A7%80%EC%A3%BC%20%EC%A3%BC%EB%AF%BC%ED%88%AC%ED%91%9C%20%EC%9A%94%EA%B1%B4%EC%9D%98%20%EC%98%81%ED%96%A5%EC%9D%84%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%2F40449&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EB%B0%A9%EC%A0%95%EB%B6%80%EC%9D%98%20%EB%B6%80%EC%B1%84%EC%88%98%EC%A4%80%20%EA%B2%B0%EC%A0%95%EC%9A%94%EC%9D%B8%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%20%EB%AF%B8%EA%B5%AD%20%EB%89%B4%EC%A0%80%EC%A7%80%EC%A3%BC%20%EC%A3%BC%EB%AF%BC%ED%88%AC%ED%91%9C%20%EC%9A%94%EA%B1%B4%EC%9D%98%20%EC%98%81%ED%96%A5%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.sdi.re.kr/taxonomy/term/15665
[5] http://www.sdi.re.kr/si_download/40449/6413
[6] http://www.sdi.re.kr/studies_on/15665