Biblio

«Working paper / UNICEF Regional Office for Latin America and the Caribbean». .

IRC International Water and Sanitation Centre, The Hague, NL, «Working paper WA-WASH KM». IRC, The Hague, The Netherlands.

Working paper / World Bank Research. .

Water and Sanitation Program -Washington, DC, US, WSP, «Working paper / WSP». .

Working papers in early childhood development / Bernard van Leer Foundation. The Hague, The Netherlands: Bernard van Leer Foundation.

Working papers on water supply and environmental sanitation / SKAT. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management).

Working papers / UNU-WIDER. Helsinki, Finland: UNU World Institute for Development Economics Research (WIDER).

«Workshop report / IRMA». .

Workshop report / Save the Children. .

World Bank country study. .

World Bank development essays. Washington, DC, USA: World Bank.

World Bank discussion papers. .

«World Bank economic review». .

World Bank gender toolkit series. Washington, DC, USA: World Bank.

World Bank policy research report. .

«World Bank public policy for the private sector notes». .

World Bank -Washington, DC, US, «World Bank research observer». World Bank, Washington, DC, USA.

World Bank research publication. .

World Bank sector studies. .

World Bank staff working paper. .

World Bank studies in water supply and sanitation. .

World Bank technical paper. .

«World Bank working paper». .

«World commission on dams». .

«World development». .