Limit your search
Topic
- Hydrology 12
- Economics 7
- Politics and government 6
- Agriculture 5
- Resource allocation 5
- Aquifers 4
- Groundwater 4
- Irrigation 4
- Demography 3
- Peace 3
- more »
Region
- Egypt 12
- Israel 10
- Palestine >> Middle East >> Earth 7
- Syria 7
- Jordan 5
- Lebanon 4
- Iraq 2
- Ethiopia 1
- South Sudan 1
- Sudan 1
- more »
Decade
- 1990-1999 12