Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40875&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%EC%9D%98%20%EA%B6%8C%EC%97%AD%20%EA%B0%84%20%EC%86%8C%EB%93%9D%EA%B2%A9%EC%B0%A8%EC%99%80%20%EC%86%8C%EB%93%9D%EB%B6%88%ED%8F%89%EB%93%B1%20%EC%B6%94%EC%9D%B4%20%EB%B6%84%EC%84%9D%282001~2009%EB%85%84%29
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40875&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%EC%9D%98%20%EA%B6%8C%EC%97%AD%20%EA%B0%84%20%EC%86%8C%EB%93%9D%EA%B2%A9%EC%B0%A8%EC%99%80%20%EC%86%8C%EB%93%9D%EB%B6%88%ED%8F%89%EB%93%B1%20%EC%B6%94%EC%9D%B4%20%EB%B6%84%EC%84%9D%282001~2009%EB%85%84%29
[4] http://www.sdi.re.kr/taxonomy/term/15700
[5] http://www.sdi.re.kr/si_download/40875/6839
[6] http://www.sdi.re.kr/studies_on/15700