Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F63808&t=%EB%8C%80%EC%A4%91%EA%B5%90%ED%86%B5%20%EA%B2%BD%EB%A1%9C%ED%83%90%EC%83%89%EC%9D%84%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EA%B5%90%ED%86%B5%EC%A0%95%EC%B1%85%20%ED%99%9C%EC%9A%A9%20%EC%97%B0%EA%B5%AC%20-%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%8F%84%EC%8B%9C%EC%B2%A0%EB%8F%84%204%ED%98%B8%EC%84%A0%207%ED%98%B8%EC%84%A0%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C%20-
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F63808&text=%EB%8C%80%EC%A4%91%EA%B5%90%ED%86%B5%20%EA%B2%BD%EB%A1%9C%ED%83%90%EC%83%89%EC%9D%84%20%EC%9D%B4%EC%9A%A9%ED%95%9C%20%EA%B5%90%ED%86%B5%EC%A0%95%EC%B1%85%20%ED%99%9C%EC%9A%A9%20%EC%97%B0%EA%B5%AC%20-%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%8F%84%EC%8B%9C%EC%B2%A0%EB%8F%84%204%ED%98%B8%EC%84%A0%207%ED%98%B8%EC%84%A0%EC%9D%84%20%EC%A4%91%EC%8B%AC%EC%9C%BC%EB%A1%9C%20-
[4] http://www.si.re.kr/taxonomy/term/23784
[5] http://www.si.re.kr/si_download/63808/28241
[6] http://www.si.re.kr/studies_on/23784