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Donor
- Naff, Thomas 55
Topic
- Hydrology 55
- Irrigation 24
- Agriculture 18
- Economics 16
- Politics and government 13
- Watersheds 13
- Water quality 12
- Water-supply 12
- Climate 9
- Groundwater 9
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Publisher
- United Nations 4
- Arab Centre for the Studies of Arid Zones and Dry Lands 3
- Associates for Middle East Research 2
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- Food and Agriculture Organization of the United Nations 1
- Göteborgs universitet. Institutionen för freds- och utvecklingsforskning 1
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