1. State of the World’s Sanitation: An Urgent Call to Transform Sanitation for Better Health, Environments, Economies and Societies,2020
2. Safer Water, Better Health—Costs, Benefits and Sustainability of Interventions to Protect and Promote Health;Prüss-Üstün,2008
3. 10 Facts About Sanitation in Indiahttps://borgenproject.org/sanitation-in-india/
4. Financing the WASH Sector in India Cost of Provision and Budget Allocations;Reddy,2011