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Donor
- Naff, Thomas 374
Topic
- Agriculture 135
- Irrigation 109
- Groundwater 93
- Watersheds 79
- Water quality 70
- Politics and government 65
- Hydrology 57
- Technology 56
- Economics 46
- Demography 44
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Rights
- In Copyright 374
Publisher
- Food and Agriculture Organization of the United Nations 33
- Pergamon Press (Oxford, England) 24
- United Nations 17
- Trud 12
- United States. Joint Publications Research Service 12
- Jordan. Sulṭat al-Maṣādir al-Ṭabīʻīyah 11
- Middle East Institute (Washington, D.C.) 10
- International Commission on Irrigation and Drainage 9
- Nadwah al-Waṭanīyah lil-Miyāh (1978 : Amman, Jordan) 9
- United States. Government Printing Office 9
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Decade
- 1970-1979 374