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- Food and Agriculture Organization of the United Nations 42
- Pergamon Press (Oxford, England) 25
- United States. Joint Publications Research Service 24
- United Nations 18
- United Nations Development Programme 15
- Jordan. Sulṭat al-Maṣādir al-Ṭabīʻīyah 12
- Trud 12
- Tikhnun ha-mayim le-Yiśraʼel be-ʻe.m. 11
- United States. Government Printing Office 11
- Middle East Institute (Washington, D.C.) 10
- International Commission on Irrigation and Drainage 9
- Lebanon. Maṣlaḥah al-Waṭanīyah li-Nahr al-Līṭānī 9
- Nadwah al-Waṭanīyah lil-Miyāh (1978 : Amman, Jordan) 9
- Arab Report and Record 8
- Office arabe de presse et de documentation 8
- Unesco 8
- American Universities Field Staff 6
- International Association of Hydrological Sciences 6
- International Water Resources Association 6
- Kenaan 6
