Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40912&t=%EA%B3%B5%EA%B3%B5%EC%9E%84%EB%8C%80%EC%A3%BC%ED%83%9D%20%EB%85%B8%ED%9B%84%EB%8F%84%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EC%9C%A0%EC%A7%80%EA%B4%80%EB%A6%AC%EB%B9%84%EC%9A%A9%20%EC%98%88%EC%B8%A1
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40912&text=%EA%B3%B5%EA%B3%B5%EC%9E%84%EB%8C%80%EC%A3%BC%ED%83%9D%20%EB%85%B8%ED%9B%84%EB%8F%84%EC%97%90%20%EB%94%B0%EB%A5%B8%20%EC%9C%A0%EC%A7%80%EA%B4%80%EB%A6%AC%EB%B9%84%EC%9A%A9%20%EC%98%88%EC%B8%A1
[4] http://www.si.re.kr/taxonomy/term/15702
[5] http://www.si.re.kr/si_download/40912/6876
[6] http://www.si.re.kr/studies_on/15702