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Donor
- Naff, Thomas 301
- Kolars, John F. 1
Topic
- Water quality 310
- Technology 77
- Groundwater 57
- Contamination of environment 52
- Irrigation 52
- Sewage 52
- Hydrology 50
- Bureaucracy 44
- Building 41
- Agriculture 40
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Rights
- In Copyright 310
Publisher
- United States. Joint Publications Research Service 49
- Middle East Economic Digest Ltd. 19
- Maktab al-Dirāsāt al-Lubnānīyah wa-al-ʻArabīyah 16
- Associates for Middle East Research 14
- World Bank 12
- Jordan Press Foundation 8
- United Nations 8
- International Desalination Association 7
- Jerusalem Post Press 6
- Jāmiʻah al-Urdunīyah 5
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Decade
- 1980-1989 310