1. Demand responsive transport services: Towards the flexible mobility agency,2004
2. Paratransit in America: Redefining mass transportation;Cervero,1997
3. Policies and practices for effectively and efficiently meeting ADA paratransit demand;Chia,2008
4. A new approach to rural public transport;Commission for Integrated Transport (CfIT),2008
5. Demand responsive transit development program report final report;Currie,2007