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Biblio
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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.
Offprint series
. .
Offset publications / WHO
. .
«
Omega
»
. .
«
Operacion y mantenimiento de plantas de tratamiento por filtracion en multiples etapas
»
. .
«
Operacion y mantenimiento de sistemas : manual para uso del promotor comunitario
»
. .
«
Operation and maintenance manual and training text
»
. .
«
Operational communications learning note. Technical note
»
. .
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