Kumar Singh, Sanjay. “The Demand for Road-Based Passenger Mobility in India: 1950-2030 and Relevance for Developing and Developed Countries”. European Journal of Transport and Infrastructure Research 6, no. 3 (June 1, 2006). Accessed November 25, 2024. https://journals.open.tudelft.nl/ejtir/article/view/3448.