Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45606&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B1%B0%EC%A3%BC%20%EB%8C%80%ED%95%99%EC%83%9D%EC%9D%98%20%EC%A3%BC%EA%B1%B0%EB%B9%84%20%EB%B6%80%EB%8B%B4%EB%8A%A5%EB%A0%A5%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45606&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B1%B0%EC%A3%BC%20%EB%8C%80%ED%95%99%EC%83%9D%EC%9D%98%20%EC%A3%BC%EA%B1%B0%EB%B9%84%20%EB%B6%80%EB%8B%B4%EB%8A%A5%EB%A0%A5%20%EB%B6%84%EC%84%9D
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45606/9078
[6] http://www.si.re.kr/studies_on/18533