1. A vehicle quota integrated with road usage pricing: a mechanism to complete the phase-out of high fixed vehicle taxes in Singapore;Barter;Transport Policy,2005
2. Chan, S., 2005. Driving in Manhattan? You pay, under one idea. The New York Times (newspaper), November 11, 2005, Accessed via 〈http://nytimes.com〉.
3. The significance of motor vehicle taxes in the revenue system;Chia;Asia-Pacific Tax Bulletin,1998
4. Chia, N.-C., Tsui, A.K.C., Whalley, J., 2001. Ownership and use taxes as congestion correcting instruments. NBER Working Paper No. 8278, National Bureau of Economic Research, Cambridge.
5. Urban growth and a sustainable environment: land transportation initiatives and traffic congestion;Chin,2002