Vila-Guilera J, Dasgupta R, Parikh P, Ciric L, Lakhanpaul M. Barriers to the delivery and uptake of Water Sanitation and Hygiene (WASH) promotion and infant diarrhoea prevention services: a case-study in rural tribal Banswara, Rajasthan. Indian Pediatr. 2022 Jan 15;59(1):38-42.
Phanikumar CV, Maitra B. Valuing urban bus attributes: an experience in Kolkata. J Public Transport. 2006;9(2):69-87. doi: 10.5038/2375-0901.9.2.4
Phani Kumar CV, Basu D, Maitra B. Modeling generalized cost of travel for rural bus users: a case study. J Public Transport. 2004;7(2):59-72. doi: 10.5038/2375-0901.7.2.4