Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F63809&t=%EC%98%A8%EB%9D%BC%EC%9D%B8%20%EA%B1%B4%EA%B0%95%EC%A0%95%EB%B3%B4%EC%B6%94%EA%B5%AC%EC%99%80%20%EB%85%B8%EC%9D%B8%20%EC%9A%B4%EB%8F%99%EC%B0%B8%EC%97%AC%EC%9D%98%20%EA%B4%80%EA%B3%84%20-%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B1%B0%EC%A3%BC%20%EB%85%B8%EC%9D%B8%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%2F63809&text=%EC%98%A8%EB%9D%BC%EC%9D%B8%20%EA%B1%B4%EA%B0%95%EC%A0%95%EB%B3%B4%EC%B6%94%EA%B5%AC%EC%99%80%20%EB%85%B8%EC%9D%B8%20%EC%9A%B4%EB%8F%99%EC%B0%B8%EC%97%AC%EC%9D%98%20%EA%B4%80%EA%B3%84%20-%20%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EA%B1%B0%EC%A3%BC%20%EB%85%B8%EC%9D%B8%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/63809/28242
[6] http://www.si.re.kr/studies_on/23784