Links
[1] http://www.sdi.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.sdi.re.kr%2Fnode%2F40500&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EA%B3%A0%EC%86%8D%EB%8F%84%EB%A1%9C%EB%B3%80%20%ED%87%B4%EC%A0%81%EB%AC%BC%EC%9D%98%20%EC%A4%91%EA%B8%88%EC%86%8D%20%EC%98%A4%EC%97%BC%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%2F40500&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EA%B3%A0%EC%86%8D%EB%8F%84%EB%A1%9C%EB%B3%80%20%ED%87%B4%EC%A0%81%EB%AC%BC%EC%9D%98%20%EC%A4%91%EA%B8%88%EC%86%8D%20%EC%98%A4%EC%97%BC%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/15670
[5] http://www.sdi.re.kr/si_download/40500/6464
[6] http://www.sdi.re.kr/studies_on/15670