Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40555&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%8B%9C%EB%82%B4%EB%B2%84%EC%8A%A4%20%EC%9A%B4%EC%A0%84%EA%B8%B0%EC%82%AC%EC%9D%98%20%EC%A7%81%EB%AC%B4%EB%A7%8C%EC%A1%B1%EB%8F%84%20%EA%B2%B0%EC%A0%95%EC%9A%94%EC%9D%B8%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40555&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%8B%9C%EB%82%B4%EB%B2%84%EC%8A%A4%20%EC%9A%B4%EC%A0%84%EA%B8%B0%EC%82%AC%EC%9D%98%20%EC%A7%81%EB%AC%B4%EB%A7%8C%EC%A1%B1%EB%8F%84%20%EA%B2%B0%EC%A0%95%EC%9A%94%EC%9D%B8%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.sdi.re.kr/taxonomy/term/15675
[5] http://www.sdi.re.kr/si_download/40555/6519
[6] http://www.sdi.re.kr/studies_on/15675