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Topic
- Irrigation 18
- Agriculture 8
- Politics and government 7
- Economics 6
- Technology 5
- Demography 4
- Hydrology 4
- Resource allocation 4
- Water quality 4
- Aquifers 3
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Publisher
- Al-Hayat Printing & Publishing House 1
- American Academy of Arts and Sciences 1
- Canadian International Development Agency 1
- France. Documentation française 1
- International Hydrological Programme 1
- Israel/Palestine Center for Research and Information 1
- Muʼassasat al-Ahrām 1
- Netherlands. Ministerie van Buitenlandse Zaken 1
- University of Toronto 1
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Decade
- 1990-1999 18