Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40412&t=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EB%8C%80%EA%B8%B0%ED%96%89%EB%A0%AC%20%EC%98%88%EC%B8%A1%EC%A0%95%EB%B3%B4%20%EC%82%B0%EC%B6%9C%EB%AA%A8%ED%98%95%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%20%EB%82%A8%EC%82%B01%ED%98%B8%ED%84%B0%EB%84%90%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40412&text=%5B%EC%97%B0%EA%B5%AC%EB%85%BC%EB%AC%B8%5D%20%EB%8C%80%EA%B8%B0%ED%96%89%EB%A0%AC%20%EC%98%88%EC%B8%A1%EC%A0%95%EB%B3%B4%20%EC%82%B0%EC%B6%9C%EB%AA%A8%ED%98%95%EC%97%90%20%EA%B4%80%ED%95%9C%20%EC%97%B0%EA%B5%AC%3A%20%EB%82%A8%EC%82%B01%ED%98%B8%ED%84%B0%EB%84%90%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C
[4] http://www.si.re.kr/taxonomy/term/15661
[5] http://www.si.re.kr/si_download/40412/6378
[6] http://www.si.re.kr/studies_on/15661