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Topic
- Hydrology 7
- Agriculture 4
- Irrigation 4
- Groundwater 3
- Precipitation (Meteorology) 3
- Soils 3
- Water consumption 3
- Water table 2
- Water-power 2
- Water-supply 2
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Publisher
- Food and Agriculture Organization of the United Nations 7
- United Nations Development Programme 6
- Lebanon. Maṣlaḥah al-Waṭanīyah li-Nahr al-Līṭānī 4
Decade
- 1970-1979 7