Biblio

National Resource Centre -Dhaka, BD, NRC, «NRC newsletter». NGO Forum for Drinking Water Supply and Sanitation, Dhaka, Bangladesh.

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., y 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. .