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Topic
- Sewage 18
- Water quality 10
- Irrigation 8
- Technology 8
- Agriculture 7
- Contamination of environment 6
- Groundwater 6
- Demography 3
- Finance 3
- Water-supply 3
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Publisher
- Jordan. Sulṭat al-Maṣādir al-Ṭabīʻīyah 4
- Kollek and Sons Ltd. 2
- Pergamon Press (Oxford, England) 2
- Arab Report and Record 1
- Deutsche Gesellschaft für Technische Zusammenarbeit 1
- Institution of Engineers Australia. National Committee on Hydrology and Water Resources 1
- International Association of Hydrological Sciences 1
- International Water Resources Association 1
- Tikhnun ha-mayim le-Yiśraʼel be-ʻe.m. 1
- Unesco 1
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Institution
- Oregon State University 18
Decade
- 1970-1979 18