Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40388&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%ED%95%98%EC%88%98%EA%B4%80%EA%B1%B0%EC%9D%98%20%EA%B8%B0%EB%8A%A5%ED%96%A5%EC%83%81%EC%9D%84%20%EC%9C%84%ED%95%9C%20%EA%B3%A0%EC%B0%B0
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40388&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%ED%95%98%EC%88%98%EA%B4%80%EA%B1%B0%EC%9D%98%20%EA%B8%B0%EB%8A%A5%ED%96%A5%EC%83%81%EC%9D%84%20%EC%9C%84%ED%95%9C%20%EA%B3%A0%EC%B0%B0
[4] http://www.sdi.re.kr/taxonomy/term/15659
[5] http://www.sdi.re.kr/si_download/40388/6356
[6] http://www.sdi.re.kr/studies_on/15659