Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45619&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%B0%BD%EC%9E%91%EA%B3%B5%EA%B0%84%EC%97%90%20%EB%8C%80%ED%95%9C%20%EC%A7%80%EC%97%AD%EC%82%AC%ED%9A%8C%EC%9D%98%20%EC%9D%B8%EC%8B%9D%20%EB%B3%80%ED%99%94%20%EC%97%B0%EA%B5%AC%20%20
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F45619&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EC%B0%BD%EC%9E%91%EA%B3%B5%EA%B0%84%EC%97%90%20%EB%8C%80%ED%95%9C%20%EC%A7%80%EC%97%AD%EC%82%AC%ED%9A%8C%EC%9D%98%20%EC%9D%B8%EC%8B%9D%20%EB%B3%80%ED%99%94%20%EC%97%B0%EA%B5%AC%20%20
[4] http://www.si.re.kr/taxonomy/term/18533
[5] http://www.si.re.kr/si_download/45619/9093
[6] http://www.si.re.kr/studies_on/18533