Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40502&t=%5B%EB%85%BC%EB%AC%B8%5D%20%ED%95%9C%EA%B5%AD%ED%8C%A8%EB%84%90%EC%9E%90%EB%A3%8C%EB%A5%BC%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EC%A7%80%EC%97%AD%EA%B2%BD%EC%A0%9C%20%EC%88%98%EB%A0%B4%ED%99%94%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40502&text=%5B%EB%85%BC%EB%AC%B8%5D%20%ED%95%9C%EA%B5%AD%ED%8C%A8%EB%84%90%EC%9E%90%EB%A3%8C%EB%A5%BC%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EC%A7%80%EC%97%AD%EA%B2%BD%EC%A0%9C%20%EC%88%98%EB%A0%B4%ED%99%94%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15670
[5] http://www.sdi.re.kr/si_download/40502/6466
[6] http://www.sdi.re.kr/studies_on/15670