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- Wissenschaftliche Buchgesellschaft 3
- International Association of Hydrological Sciences 2
- International Commission on Irrigation and Drainage 2
- Middle East Institute (Washington, D.C.) 2
- Trud 2
- American University (Washington, D.C.) 1
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- Geological Survey (U.S.) 1
- International Water Resources Association 1
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- Middle East and North African Studies Press 1
- Nauka 1
- Praeger Publishers 1
- United Nations Environment Programme 1
- University of Arizona 1