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Donor
- Naff, Thomas 301
Topic
- Water quality 301
- Technology 76
- Groundwater 55
- Irrigation 50
- Sewage 50
- Hydrology 48
- Contamination of environment 47
- Bureaucracy 44
- Agriculture 40
- Building 40
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Rights
- In Copyright 301
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 301