Guidance notes on services for the Urban Poor: a practical guide for improving water supply and sanitation services
World Bank
Guidance notes on services for the Urban Poor: a practical guide for improving water supply and sanitation services - Washington DC World Bank 2009 - 71 P
Sanitation
Guidance notes on services for the Urban Poor: a practical guide for improving water supply and sanitation services - Washington DC World Bank 2009 - 71 P
Sanitation