Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40385&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EB%A7%88%EC%9D%84%EB%8B%A8%EC%9C%84%20%EB%8F%84%EC%8B%9C%EA%B3%84%ED%9A%8D%EC%9D%98%20%EC%8B%A4%ED%97%98%2C%20%EB%A7%88%EC%9D%84%20%EB%A7%8C%EB%93%A4%EA%B8%B0%3A%20%EC%82%AC%EB%A1%80%EC%99%80%20%EC%8B%9C%EC%82%AC%EC%A0%90
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40385&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EB%A7%88%EC%9D%84%EB%8B%A8%EC%9C%84%20%EB%8F%84%EC%8B%9C%EA%B3%84%ED%9A%8D%EC%9D%98%20%EC%8B%A4%ED%97%98%2C%20%EB%A7%88%EC%9D%84%20%EB%A7%8C%EB%93%A4%EA%B8%B0%3A%20%EC%82%AC%EB%A1%80%EC%99%80%20%EC%8B%9C%EC%82%AC%EC%A0%90
[4] http://www.sdi.re.kr/taxonomy/term/15659
[5] http://www.sdi.re.kr/si_download/40385/6353
[6] http://www.sdi.re.kr/studies_on/15659