Sanitation
- Sanitation - Wikipedia
- World Toilet Organization - Singapore
- World Toilet Day - Wikipedia
- World Toilet Summit 2017 - Melbourne
- Why the world deserves a better toilet - GatesNotes 11/18
- World toilet day: from South Sudan to Russia, where not to get caught short - Guardian 19.11.15
- IRC International Water and Sanitation Centre - The Netherlands
- Water, Sanitation & Hygiene - Bill & Melinda Gates Foundation
- Water, Sanitation & Hygiene: Reinvent the Toilet Challenge (Fact Sheet 7/11) *.pdf
- Sanitation, Hygiene and Wastewater Resource Guide - World Bank
- India Sanitation Portal
- Jack Sim - Wikipedia
- Ryan´s Well Foundation
- Clean The World Foundation