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https://digitalcommons.usf.edu/jpt/vol9/iss2/4/ "Valuing Urban Bus Attributes: An Experience in Kolkata" by C. V. Phanikumar and Bhargab Maitra The article presents the marginal willingness-to-pay (WTP) estimates for various qualitative and quantitative attributes of travel with reference to the bus... https://brandequity.economictimes.indiatimes.com/tag/bhargab+dutta Bhargab dutta - Latest bhargab dutta , Information & Updates - Marketing & Advertising -ET... latest informationmarketing advertisingduttaupdates