Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45613&t=%EC%A0%80%EB%B0%80%EB%8F%84%EC%95%84%ED%8C%8C%ED%8A%B8%20%EC%9E%AC%EA%B1%B4%EC%B6%95%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EA%B5%90%EC%9C%A1%ED%99%98%EA%B2%BD%20%EB%B3%80%ED%99%94%20%EC%97%B0%EA%B5%AC
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45613&text=%EC%A0%80%EB%B0%80%EB%8F%84%EC%95%84%ED%8C%8C%ED%8A%B8%20%EC%9E%AC%EA%B1%B4%EC%B6%95%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EA%B5%90%EC%9C%A1%ED%99%98%EA%B2%BD%20%EB%B3%80%ED%99%94%20%EC%97%B0%EA%B5%AC
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45613/9087
[6] http://www.si.re.kr/studies_on/18533