Biblio

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., et Eisenberg, J. N., « An observational study on the effectiveness of point-of-use chlorination », Journal of environmental health, p. 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 ». .

ODI/IIMI Agricultural Research and Extension Network (Agren) / network paper. .

ODI/IIMI Irrigation Management Network / network paper. .

OECD documents. .

OECD proceedings. .

« OECD rural policy reviews ». .

« OECD Studies on water ». OECD, Paris, France.

« Oesterreichische Wasser- und Abfallwirtshaft ». Springer Verlag, Vienna, Austria.