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Donor
- Naff, Thomas 25
Topic
- Soils 25
- Watersheds 25
- Agriculture 14
- Irrigation 12
- Precipitation (Meteorology) 9
- Groundwater 8
- Climate 5
- Salinity 5
- Sand 5
- Water quality 5
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Publisher
- Food and Agriculture Organization of the United Nations 18
- United Nations Development Programme 5
- Lebanon. Maṣlaḥah al-Waṭanīyah li-Nahr al-Līṭānī 2
- American University (Washington, D.C.) 1
- Frank Cass & Co. 1
- International Symposium on Development of Ground Water Resources (1973 : Madras, India) 1
- Pergamon Press (Oxford, England) 1
- Systems Research Corporation 1
- Unesco 1
Type
- Text 25
Decade
- 1970-1979 25