Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40582&t=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%97%AD%EC%82%AC%EB%B0%95%EB%AC%BC%EA%B4%80%EC%9D%98%20%ED%8F%89%EC%83%9D%EA%B5%90%EC%9C%A1%EA%B8%B0%EB%8A%A5%20%ED%99%9C%EC%84%B1%ED%99%94%20%EB%B0%A9%EC%95%88%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40582&text=%5B%EB%85%BC%EB%AC%B8%5D%20%EC%84%9C%EC%9A%B8%EC%97%AD%EC%82%AC%EB%B0%95%EB%AC%BC%EA%B4%80%EC%9D%98%20%ED%8F%89%EC%83%9D%EA%B5%90%EC%9C%A1%EA%B8%B0%EB%8A%A5%20%ED%99%9C%EC%84%B1%ED%99%94%20%EB%B0%A9%EC%95%88%20%EC%97%B0%EA%B5%AC
[4] http://www.si.re.kr/taxonomy/term/15677
[5] http://www.si.re.kr/si_download/40582/6546
[6] http://www.si.re.kr/studies_on/15677