Limit your search
Topic
- Foreign relations 10
- Politics and government 6
- Bureaucracy 3
- International regimes 3
- Agriculture 2
- Building 2
- Dams 2
- Economic development 2
- Groundwater 2
- Precipitation (Meteorology) 2
- more ยป
Region
- Egypt 4
- Ethiopia 4
- South Sudan 3
- Sudan 3
- Syria 3
- Iraq 1
- Israel 1
- Jordan 1
- Palestine >> Middle East >> Earth 1
Institution
- Oregon State University 10
Decade
- 1970-1979 10