Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40885&t=%EB%8C%80%EB%8F%84%EC%8B%9C%20%EC%9C%A0%ED%95%B4%EB%8C%80%EA%B8%B0%EC%98%A4%EC%97%BC%EB%AC%BC%EC%A7%88%20%EA%B4%80%EB%A6%AC%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EB%B8%94%EB%9E%99%EC%B9%B4%EB%B3%B8%20%EB%AA%A8%EB%8B%88%ED%84%B0%EB%A7%81
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40885&text=%EB%8C%80%EB%8F%84%EC%8B%9C%20%EC%9C%A0%ED%95%B4%EB%8C%80%EA%B8%B0%EC%98%A4%EC%97%BC%EB%AC%BC%EC%A7%88%20%EA%B4%80%EB%A6%AC%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EB%B8%94%EB%9E%99%EC%B9%B4%EB%B3%B8%20%EB%AA%A8%EB%8B%88%ED%84%B0%EB%A7%81
[4] http://www.sdi.re.kr/taxonomy/term/15700
[5] http://www.sdi.re.kr/si_download/40885/6849
[6] http://www.sdi.re.kr/studies_on/15700