Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45591&t=%EC%88%98%EB%8F%84%EA%B6%8C%EC%97%90%20%EA%B1%B0%EC%A3%BC%ED%95%98%EB%8A%94%20%EC%9E%90%EA%B0%80%20%EA%B0%80%EA%B5%AC%EC%A3%BC%EC%9D%98%20%EA%B1%B0%EC%86%8C%EB%B6%88%EC%9D%BC%EC%B9%98%20%EC%84%A0%ED%83%9D%20%EC%9A%94%EC%9D%B8
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45591&text=%EC%88%98%EB%8F%84%EA%B6%8C%EC%97%90%20%EA%B1%B0%EC%A3%BC%ED%95%98%EB%8A%94%20%EC%9E%90%EA%B0%80%20%EA%B0%80%EA%B5%AC%EC%A3%BC%EC%9D%98%20%EA%B1%B0%EC%86%8C%EB%B6%88%EC%9D%BC%EC%B9%98%20%EC%84%A0%ED%83%9D%20%EC%9A%94%EC%9D%B8
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45591/9079
[6] http://www.si.re.kr/studies_on/18533