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.
Mansfield CA. A consistent method for calibrating contingent value survey data. South Econ J. 1998;64(3):665-81.