Limit your search
Topic
- Agriculture 24
- Irrigation 12
- Demography 7
- Building 6
- Groundwater 6
- Hydrology 6
- Water quality 6
- Economics 5
- International regimes 4
- Politics and government 4
- more »
Publisher
- United States. Congress. Office of Technology Assessment 5
- American Society of Civil Engineers 1
- Associates for Middle East Research 1
- Free Press 1
- Robert S. Kerr Environmental Research Laboratory 1
- UNICEF 1
- United States. Government Printing Office 1
- United States. Joint Publications Research Service 1
- World Bank 1