Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40483&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EA%B5%AC%ED%99%94%2C%20%EA%B3%B5%EB%8F%99%EC%B2%B4%2C%20%EC%9E%90%ED%99%9C%EC%9D%98%20%EC%A0%84%EB%9E%B5
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40483&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EA%B5%AC%ED%99%94%2C%20%EA%B3%B5%EB%8F%99%EC%B2%B4%2C%20%EC%9E%90%ED%99%9C%EC%9D%98%20%EC%A0%84%EB%9E%B5
[4] http://www.sdi.re.kr/taxonomy/term/15668
[5] http://www.sdi.re.kr/si_download/40483/6447
[6] http://www.sdi.re.kr/studies_on/15668