https://www.ura.gov.sg/uol/media-room/news/2016/aug/pr16-53 [4]
https://www.ura.gov.sg/uol/-/media/User%20Defined/URA%20Online/media-roo... [5]
https://www.aude.sg/features_Project_Bus_Stop.html [6]
Links
[1] http://www.si.re.kr/%23
[2] http://facebook.com/sharer.php?u=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F56230&t=%E2%80%98%EC%8B%9C%EB%AF%BC%EC%86%8C%ED%86%B5%20%EA%B3%B5%EA%B0%84%EC%9C%BC%EB%A1%9C%E2%80%99%20%EB%B2%84%EC%8A%A4%EC%A0%95%EB%A5%98%EC%9E%A5%20%EB%A7%8C%EB%93%A4%EA%B8%B0%20%EC%8B%9C%EB%B2%94%EC%82%AC%EC%97%85%20%28%EC%8B%B1%EA%B0%80%ED%8F%AC%EB%A5%B4%20%EC%8B%B1%EA%B0%80%ED%8F%AC%EB%A5%B4%E5%B8%82%29
[3] http://twitter.com/intent/tweet?url=http%3A%2F%2Fwww.si.re.kr%2Fnode%2F56230&text=%E2%80%98%EC%8B%9C%EB%AF%BC%EC%86%8C%ED%86%B5%20%EA%B3%B5%EA%B0%84%EC%9C%BC%EB%A1%9C%E2%80%99%20%EB%B2%84%EC%8A%A4%EC%A0%95%EB%A5%98%EC%9E%A5%20%EB%A7%8C%EB%93%A4%EA%B8%B0%20%EC%8B%9C%EB%B2%94%EC%82%AC%EC%97%85%20%28%EC%8B%B1%EA%B0%80%ED%8F%AC%EB%A5%B4%20%EC%8B%B1%EA%B0%80%ED%8F%AC%EB%A5%B4%E5%B8%82%29
[4] https://www.ura.gov.sg/uol/media-room/news/2016/aug/pr16-53
[5] https://www.ura.gov.sg/uol/-/media/User%20Defined/URA%20Online/media-room/2016/aug/pr16-53a.pdf?la=en
[6] https://www.aude.sg/features_Project_Bus_Stop.html
[7] http://www.si.re.kr/world_trends