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Publisher
- Middle East Economic Digest Ltd. 55
- United States. Joint Publications Research Service 52
- Maktab al-Dirāsāt al-Lubnānīyah wa-al-ʻArabīyah 34
- British Broadcasting Corporation 10
- United Nations 9
- American Association for the Advancement of Science 7
- Associates for Middle East Research 7
- Middle East Institute (Washington, D.C.) 7
- Food and Agriculture Organization of the United Nations 6
- Unesco 5
- Arab Centre for the Studies of Arid Zones and Dry Lands 4
- Emap Business Publishing 3
- International Commission on Irrigation and Drainage 3
- Trud 3
- Gazi Üniversitesi. İktisadi Bölümü 2
- International Association of Hydrological Sciences 2
- Longman (Firm) 2
- MediaGen 2
- United Nations Environment Programme 2
- United States. Government Printing Office 2