Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45614&t=%EB%B2%94%EC%A3%84%EB%A1%9C%EB%B6%80%ED%84%B0%20%EC%95%88%EC%A0%84%ED%95%9C%20%EB%8F%84%EC%8B%9C%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EC%95%84%EB%8F%99%EC%95%88%EC%A0%84%EC%A7%80%EB%8F%84%20%EC%A0%9C%EC%9E%91%20%EB%B0%8F%20%ED%99%9C%EC%9A%A9%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.si.re.kr%2Fnode%2F45614&text=%EB%B2%94%EC%A3%84%EB%A1%9C%EB%B6%80%ED%84%B0%20%EC%95%88%EC%A0%84%ED%95%9C%20%EB%8F%84%EC%8B%9C%EB%A5%BC%20%EC%9C%84%ED%95%9C%20%EC%95%84%EB%8F%99%EC%95%88%EC%A0%84%EC%A7%80%EB%8F%84%20%EC%A0%9C%EC%9E%91%20%EB%B0%8F%20%ED%99%9C%EC%9A%A9%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45614/9088
[6] http://www.si.re.kr/studies_on/18533