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Creator
- United Nations 22
- United Nations. Economic and Social Commission for Western Asia 8
- United Nations. Department of Technical Cooperation for Development 3
- Egypt. Wizārat al-Rayy 2
- El-Sawaby, M. S. 2
- Zikri, B. S. 2
- Al-Kawaz, Ghazi Majeed 1
- Arlosoroff, Saul, 1930- 1
- Azar, N. 1
- Badry, Muwafaq M. 1
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Topic
- Irrigation 24
- Agriculture 19
- Groundwater 18
- Politics and government 15
- Hydrology 14
- Water quality 14
- Water-supply 14
- Watersheds 13
- Aquifers 12
- Finance 9
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Language
- English 74
Publisher
- United Nations 74