Biblio

Nuffic paperback. The Hague, The Netherlands: NUFFIC.

Nuffic papers. .

“Nvigating gender in development of water and sanitation in urban areas”. .

NWWA/EPA series. .

“O "Caleidoscopio Amazonico : uma aventura de imagens e cores"”. .

“O emprego da formula universal de perda de carga e as limitacoes das formulas empiricas”. .

G. B. WaterAid - London, “Oasis : the WaterAid journal”. WaterAid, London, UK.

Global Partnership on Output-Based Aid -Washington, DC, US, “OBA working paper series”. Global Partnership on Output-Based Aid, World Bank, Washington, DC, USA.

“OBApproaches Note”. .

M. A. McLaughlin, Levy, K., Beck, N. K., Shin, G. - A., Scott, J. S., en Eisenberg, J. N., “An observational study on the effectiveness of point-of-use chlorination”, Journal of environmental health, pp. P. 48-53; 4 fig.

Occasional paper / CIDIN. Nijmegen, The Netherlands: Centre for International Development Issues (CIDIN).

Occasional paper / FID. .

Occasional paper / Hong Kong Institute of Asia-Pacific Studies. .

“Occasional paper series / BPD Water and Sanitation”. .

Occasional paper series / Development Workshop. Guelph, Ont, Canada: Development Workshop.

Occasional paper series / IRC. .

Occasional paper / Third World Centre. .

Occasional paper / UWEP. Gouda, The Netherlands: WASTE.

Occasional papers / ENDA. .

“Occasional papers / INTRAC”. INTRAC, International NGO Training and Research Centre, Oxford, UK.

Occasional papers of the German Development Institute GDI. .

Occasional papers series / Municipal Services Project. .

Occasional publication / PAHO. Washington, DC, USA: Pan American Health Organization (PAHO).

“October 1990”, Health action. .

“ODI / Water policy programme briefings”. .