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Topic
- Irrigation 40
- Agriculture 15
- Watersheds 7
- Agricultural exhibitions 6
- Signs and signboards 6
- Groundwater 5
- Hydrology 5
- Beans 4
- Politics and government 4
- Economics 3
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Publisher
- Food and Agriculture Organization of the United Nations 2
- Unesco 2
- United Nations Environment Programme 2
- Central Treaty Organization 1
- Centralny Instytut Informacji Naukowo-Technicznej i Ekonomicznej (Poland). Zakład Współpracy z Zagranicą w Zakresie Piśmiennictwa Naukowego 1
- Institute of British Geographers 1
- Middle East Institute (Washington, D.C.) 1
- Nauka 1
- Office arabe de presse et de documentation 1
- United Nations Development Programme 1
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Format
- image/tiff 24
- application/pdf 16
Decade
- 1960-1969 40
