Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40569&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%88%98%EB%8F%84%EA%B6%8C%EC%A7%80%EC%97%AD%EC%9D%98%20%EC%8B%9C%EA%B0%80%ED%99%94%20%ED%99%95%EC%82%B0%20%EA%B2%B0%EC%A0%95%EC%9A%94%EC%9D%B8%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40569&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%88%98%EB%8F%84%EA%B6%8C%EC%A7%80%EC%97%AD%EC%9D%98%20%EC%8B%9C%EA%B0%80%ED%99%94%20%ED%99%95%EC%82%B0%20%EA%B2%B0%EC%A0%95%EC%9A%94%EC%9D%B8%20%EB%B6%84%EC%84%9D
[4] http://www.sdi.re.kr/taxonomy/term/15676
[5] http://www.sdi.re.kr/si_download/40569/6533
[6] http://www.sdi.re.kr/studies_on/15676