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Donor
- Naff, Thomas 8
Topic
- Agriculture 8
- Irrigation 8
- Politics and government 8
- Economics 2
- Hydrology 2
- Al-Wehda Dam (Jordan) 1
- Arid regions 1
- Armed Forces 1
- Building 1
- Bureaucracy 1
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Rights
- In Copyright 8
Decade
- 1970-1979 8