Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40489&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EC%97%AD%EA%B0%84%20%EC%9D%B8%EA%B5%AC%EC%9D%B4%EB%8F%99%EC%9D%98%20%EA%B3%B5%EA%B0%84%EC%A0%81%20%ED%8A%B9%EC%84%B1%20%EB%B6%84%EC%84%9D%EF%BC%9A%EC%88%98%EB%8F%84%EA%B6%8C%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40489&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%A7%80%EC%97%AD%EA%B0%84%20%EC%9D%B8%EA%B5%AC%EC%9D%B4%EB%8F%99%EC%9D%98%20%EA%B3%B5%EA%B0%84%EC%A0%81%20%ED%8A%B9%EC%84%B1%20%EB%B6%84%EC%84%9D%EF%BC%9A%EC%88%98%EB%8F%84%EA%B6%8C%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.sdi.re.kr/taxonomy/term/15669
[5] http://www.sdi.re.kr/si_download/40489/6453
[6] http://www.sdi.re.kr/studies_on/15669