Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F53728&t=%EB%8F%84%EC%8B%9C%20%EA%B0%80%EB%A1%9C%EC%A7%80%EB%A5%B4%EB%8A%94%20%EC%98%9B%20%EC%B2%A0%EB%8F%84%20%EC%88%98%EC%86%A1%EB%A1%9C%EB%A5%BC%20%EB%85%B9%EC%A7%80%EA%B3%B5%EA%B0%84%EC%9C%BC%EB%A1%9C%20%EC%9E%AC%EC%83%9D%20%20%28%EC%8B%B1%EA%B0%80%ED%8F%AC%EB%A5%B4%29
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F53728&text=%EB%8F%84%EC%8B%9C%20%EA%B0%80%EB%A1%9C%EC%A7%80%EB%A5%B4%EB%8A%94%20%EC%98%9B%20%EC%B2%A0%EB%8F%84%20%EC%88%98%EC%86%A1%EB%A1%9C%EB%A5%BC%20%EB%85%B9%EC%A7%80%EA%B3%B5%EA%B0%84%EC%9C%BC%EB%A1%9C%20%EC%9E%AC%EC%83%9D%20%20%28%EC%8B%B1%EA%B0%80%ED%8F%AC%EB%A5%B4%29
[4] http://www.ura.gov.sg/MS/railcorridor.aspx
[5] http://www.si.re.kr/world_trends