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Creator
- El-Sawaby, M. S. 2
- United Nations 2
- United Nations. Department of Technical Cooperation for Development 2
- United Nations. Economic and Social Commission for Western Asia 2
- Zikri, B. S. 2
- Cereceda T., Pilar 1
- Egypt. Wizārat al-Rayy 1
- Schemenauer, Robert S. (Robert Stuart), 1946- 1
- United Nations. General Assembly 1
Topic
- Water quality 14
- Irrigation 5
- Agriculture 4
- Groundwater 4
- Hydrology 4
- Water-supply 4
- Aquifers 3
- Bureaucracy 3
- Drinking water 3
- Watersheds 3
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Publisher
- United Nations 14
Repository
- Oregon State University. Libraries 14