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Publisher
- Food and Agriculture Organization of the United Nations 22
- United Nations Development Programme 10
- International Commission on Irrigation and Drainage 9
- United States. Joint Publications Research Service 9
- Pergamon Press (Oxford, England) 8
- Lebanon. Maṣlaḥah al-Waṭanīyah li-Nahr al-Līṭānī 7
- United Nations 6
- Kollek and Sons Ltd. 4
- Office arabe de presse et de documentation 4
- Jordan. Sulṭat al-Maṣādir al-Ṭabīʻīyah 3
- Robert S. Kerr Environmental Research Laboratory 3
- American University (Washington, D.C.) 2
- Christian Science Publishing Society 2
- International Water Resources Association 2
- Lebanon 2
- Middle East Institute (Washington, D.C.) 2
- Nadwah al-Waṭanīyah lil-Miyāh (1978 : Amman, Jordan) 2
- Unesco 2
- Academic Press 1
- Agrar- und Hydrotechnik GmbH (Essen, Germany) 1
