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Agricultural advisory services in European Countries
1950
Persistent link: https://www.econbiz.de/10000612682
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Two blades of grass. A history of scientific development in the U. S. Department of Agriculture
Harding, Thomas Swann - 1947
Persistent link: https://www.econbiz.de/10000582295
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Agricultural advisory services in Europe and North America 1957
1958
Persistent link: https://www.econbiz.de/10003043378
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Agricultural advisory services in Europe and North America [1960]
1961
Persistent link: https://www.econbiz.de/10003043422
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Agricultural advisory services in Europe and North America 1963
1964
Persistent link: https://www.econbiz.de/10003043428
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Agricultural advisory services : development in OECD member countries
1969
Persistent link: https://www.econbiz.de/10002302884
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An experiment in agricultural liaison
1962
Persistent link: https://www.econbiz.de/10003121697
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Agricultural extension : farm extension services in Australia, Britain and the United States of America
Williams, Donald B. - 1968
Persistent link: https://www.econbiz.de/10000680607
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Modernizing world agriculture : a comparative study of agricultural extension education systems
Axinn, George Harold; Thorat, Sudhakar - 1972
Persistent link: https://www.econbiz.de/10000556424
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Electronic technology and management information in agriculture
Harrison, Stephen Robert - In: Prometheus : critical studies in innovation 4 (1986) 2, pp. 344-365
Persistent link: https://www.econbiz.de/10001031542