Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40567&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EA%B3%B5%EA%B0%84%EC%A0%81%2C%20%ED%99%98%EA%B2%BD%EC%A0%81%20%EC%9A%94%EC%9D%B8%EC%9D%B4%20%EB%B2%94%EC%A3%84%ED%94%BC%ED%95%B4%EC%97%90%20%EB%AF%B8%EC%B9%98%EB%8A%94%20%EC%98%81%ED%96%A5
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40567&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EA%B3%B5%EA%B0%84%EC%A0%81%2C%20%ED%99%98%EA%B2%BD%EC%A0%81%20%EC%9A%94%EC%9D%B8%EC%9D%B4%20%EB%B2%94%EC%A3%84%ED%94%BC%ED%95%B4%EC%97%90%20%EB%AF%B8%EC%B9%98%EB%8A%94%20%EC%98%81%ED%96%A5
[4] http://www.sdi.re.kr/taxonomy/term/15676
[5] http://www.sdi.re.kr/si_download/40567/6531
[6] http://www.sdi.re.kr/studies_on/15676