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Topic
- Hydrology 58
- Groundwater 21
- Agriculture 18
- Irrigation 17
- Watersheds 15
- Technology 11
- Precipitation (Meteorology) 9
- Water quality 9
- Economics 8
- Water consumption 7
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Publisher
- Pergamon Press (Oxford, England) 6
- United States. Government Printing Office 5
- Majlis al-Qawmī lil-Takhṭīṭ (Jordan) 4
- International Water Resources Association 3
- Jordan. Sulṭat al-Maṣādir al-Ṭabīʻīyah 3
- World Meteorological Organization 3
- Food and Agriculture Organization of the United Nations 2
- International Law Association 2
- Nadwah al-Waṭanīyah lil-Miyāh (1978 : Amman, Jordan) 2
- Unesco 2
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Decade
- 1970-1979 58