Ray, S., R. Singh, and S. Pathak. “Are Citizens of Delhi Willing to Stop Using Private Vehicles for Their Daily Office Commute in Order to Reduce Air Pollution and Related Ailments? A Protocol for a Contingent Valuation Study”. International Journal Of Community Medicine And Public Health, vol. 9, no. 12, Nov. 2022, pp. 4765-73, doi:10.18203/2394-6040.ijcmph20223243.