Limit your search
Topic
- Natural resources--Management 25
- Hydrology 9
- Politics and government 9
- Irrigation 8
- Technology 8
- Water quality 7
- Agriculture 6
- Aquifers 5
- Contamination of environment 5
- Economics 4
- more »
Publisher
- La Documentation française 4
- Arab Centre for the Studies of Arid Zones and Dry Lands 3
- International Water Resources Association 2
- Eosat 1
- Food and Agriculture Organization of the United Nations 1
- Geological Survey (U.S.) 1
- International Desalination Association 1
- Unesco 1
- United States. Congress. Office of Technology Assessment 1
- World Bank 1