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4
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Assistance technique pour l'entretien des système d'eau à Kasserine, Tunisie : cinquième mission / prép. par Alan Malina.
- Water and sanitation for health (WASH) project,
- 1991.
- Arlington, VA :
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Water loss in rural water systems in developing countries / by Alan Wyatt.
- Water and sanitation for health (WASH) project,
- 1991.
- Arlington, VA :
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Models of management systems for the operation and maintenance of rural water supply and sanitation facilities / prep. by Philip Roark, Jonathan Hodgkin, Alan Wyatt.
- Water and sanitation for health,
- 1993.
- Arlington, VA :
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Wind energy activities in Africa / Alan Wyatt and Sam Baldwin.
- Volunteers in technical assistance (VITA),
- 1982.
- Arlington, VA :