Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40375&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%98%A4%EC%97%BC%EB%AC%BC%EC%A7%88%20%EC%B4%88%EA%B3%BC%EB%B0%B0%EC%B6%9C%20%EB%85%B8%ED%9B%84%EC%9E%90%EB%8F%99%EC%B0%A8%EC%9D%98%20%EC%A1%B0%EA%B8%B0%ED%8F%90%EC%B0%A8%20%EC%9C%A0%EB%8F%84%20%EB%B0%8F%20%EC%A7%80%EC%9B%90%20%EB%B0%A9%EC%95%88
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40375&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EC%98%A4%EC%97%BC%EB%AC%BC%EC%A7%88%20%EC%B4%88%EA%B3%BC%EB%B0%B0%EC%B6%9C%20%EB%85%B8%ED%9B%84%EC%9E%90%EB%8F%99%EC%B0%A8%EC%9D%98%20%EC%A1%B0%EA%B8%B0%ED%8F%90%EC%B0%A8%20%EC%9C%A0%EB%8F%84%20%EB%B0%8F%20%EC%A7%80%EC%9B%90%20%EB%B0%A9%EC%95%88
[4] http://www.sdi.re.kr/taxonomy/term/15658
[5] http://www.sdi.re.kr/si_download/40375/6343
[6] http://www.sdi.re.kr/studies_on/15658