Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40580&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EB%B0%A9%ED%96%89%EC%A0%95%EC%B2%B4%EC%A0%9C%20%EA%B0%9C%ED%8E%B8%EB%85%BC%EC%9D%98%EC%9D%98%20%ED%8F%89%EA%B0%80%EC%99%80%20%EB%8C%80%EC%95%88%EC%A0%9C%EC%8B%9C%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40580&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EB%B0%A9%ED%96%89%EC%A0%95%EC%B2%B4%EC%A0%9C%20%EA%B0%9C%ED%8E%B8%EB%85%BC%EC%9D%98%EC%9D%98%20%ED%8F%89%EA%B0%80%EC%99%80%20%EB%8C%80%EC%95%88%EC%A0%9C%EC%8B%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15677
[5] http://www.sdi.re.kr/si_download/40580/6544
[6] http://www.sdi.re.kr/studies_on/15677