Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F38540&t=%EC%84%B8%EA%B3%84%EB%8F%84%EC%8B%9C%EB%8F%99%ED%96%A5%20%EC%A0%9C149%ED%98%B8%20%EC%B0%BD%EC%9D%98%EC%84%9C%EC%9A%B8%20%ED%8A%B9%EC%A7%91
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F38540&text=%EC%84%B8%EA%B3%84%EB%8F%84%EC%8B%9C%EB%8F%99%ED%96%A5%20%EC%A0%9C149%ED%98%B8%20%EC%B0%BD%EC%9D%98%EC%84%9C%EC%9A%B8%20%ED%8A%B9%EC%A7%91
[4] http://www.si.re.kr/sites/default/files/149%ED%98%B8%282006%EB%85%848%EC%9B%9421%EC%9D%BC-%EC%B0%BD%EC%9D%98%EC%84%9C%EC%9A%B8%20%ED%8A%B9%EC%A7%91%29_0.pdf
[5] http://www.si.re.kr/world_trends