【世界卫生组织】WHO Global water, sanitation and hygiene: Annual report 2022.pdf

Sanitation inspections: user guide

Steps to achieve universal access to safely managed sanitation

Utility of the Future 4.0, Taking Water and Sanitation Utilities Beyond the Next Level

Burden of disease attributable to unsafe drinking-water, sanitation and hygiene: 2019 update

Water, sanitation, hygiene, waste and electricity services in health care facilities: progress on the fundamentals