Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40457&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EA%B8%B0%ED%9B%84%EB%B3%80%ED%99%94%ED%98%91%EC%95%BD%EC%97%90%20%EB%8C%80%ED%95%9C%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%97%AD%ED%95%A0%20%EC%A0%95%EB%A6%BD%20%EB%B0%8F%20%EC%98%A8%EC%8B%A4%EA%B0%80%EC%8A%A4%20%EA%B0%90%EC%B6%95%20%EB%B0%A9%EC%95%88
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40457&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EA%B8%B0%ED%9B%84%EB%B3%80%ED%99%94%ED%98%91%EC%95%BD%EC%97%90%20%EB%8C%80%ED%95%9C%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%97%AD%ED%95%A0%20%EC%A0%95%EB%A6%BD%20%EB%B0%8F%20%EC%98%A8%EC%8B%A4%EA%B0%80%EC%8A%A4%20%EA%B0%90%EC%B6%95%20%EB%B0%A9%EC%95%88
[4] http://www.sdi.re.kr/taxonomy/term/15666
[5] http://www.sdi.re.kr/si_download/40457/6421
[6] http://www.sdi.re.kr/studies_on/15666