1. Urban transportation and equity: a case study of Beijing and Karachi;Ahmed;Transp. Res. A,2008
2. The mobility and accessibility expectations of seniors in an aging population;Alsnih;Transp. Res. A,2003
3. Ampt, E.S., 2003. Voluntary household travel behaviour change-theory and practice. In: 10th International Conference on Travel Behaviour Research. Lucerne.
4. Barton, D., Chen, Y., Jin, A., 2013. Mapping China’s Middle Class. McKinsey Quarterly June.
5. BITRE, 2012. Traffic Growth: Modelling a Global Phenomenon (Research Report 128). Department of Infrastructure and Transport, Bureau of Infrastructure, Transport and Regional Economics, Australian Government, Canberra.