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Publisher
- United States. Joint Publications Research Service 10
- World Bank 6
- Middle East Economic Digest Ltd. 5
- United Nations 4
- United States. Environmental Protection Agency 4
- Food and Agriculture Organization of the United Nations 3
- IPC (Organization) 2
- International Desalination Association 2
- Maktab al-Dirāsāt al-Lubnānīyah wa-al-ʻArabīyah 2
- Pergamon Press (Oxford, England) 2
- Akādīmīyat al-Baḥth al-ʻIlmī wa-al-Tiknūlūjiyā 1
- Allerton Press 1
- American Chamber of Commerce in Egypt 1
- Arab Centre for the Studies of Arid Zones and Dry Lands 1
- Associates for Middle East Research 1
- Egypt. Wizārat al-Rayy 1
- IPC Magazines, Ltd. 1
- International Commission on Irrigation and Drainage 1
- International Hydrological Programme 1
- Karl-Marx-Universität Leipzig 1
