Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40887&t=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%8F%84%EB%A1%9C%ED%8F%AC%EC%9E%A5%20%EA%B4%80%EB%A6%AC%EC%97%90%20%EB%8C%80%ED%95%9C%20%EA%B3%A0%EC%B0%B0%EA%B3%BC%20%EB%B6%84%EC%84%9D
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F40887&text=%EC%84%9C%EC%9A%B8%EC%8B%9C%20%EB%8F%84%EB%A1%9C%ED%8F%AC%EC%9E%A5%20%EA%B4%80%EB%A6%AC%EC%97%90%20%EB%8C%80%ED%95%9C%20%EA%B3%A0%EC%B0%B0%EA%B3%BC%20%EB%B6%84%EC%84%9D
[4] http://www.si.re.kr/taxonomy/term/15700
[5] http://www.si.re.kr/si_download/40887/6851
[6] http://www.si.re.kr/studies_on/15700