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Creator
- Egypt. Wizārat al-Rayy 3
Donor
- Naff, Thomas 3
Topic
- Industries 3
- Sewage 3
- Agriculture 2
- Water quality 2
- Groundwater 1
- Irrigation 1
- Salinity 1
- Water consumption 1
- Water--Purification 1
- Water-power 1
Publisher
- World Bank 3
- United Nations Environment Programme 2