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Two blades of grass : research for US agriculture
Evenson, Robert E. - 1992
Persistent link: https://www.econbiz.de/10000135862
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Research and extension in agricultural development
Evenson, Robert E. - 1992
Persistent link: https://www.econbiz.de/10000871697
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Two blades of grass : research for US agriculture
Evenson, Robert E. - 1991
Persistent link: https://www.econbiz.de/10000834311
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Research and extension impacts on Food Crop production in Indonesia
Evenson, Robert E. - 1995
Persistent link: https://www.econbiz.de/10000970353
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A century of productivity change in U.S. agriculture : an analysis of the role of invention, research and extension
Evenson, Robert E. - 1978
Persistent link: https://www.econbiz.de/10000674147
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Two Blades of Grass : research for US agriculture
Evenson, Robert E. - 1996
Persistent link: https://www.econbiz.de/10001329301
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Investing in agricultural supply : the determinants of agricultural research and extension investment
Judd, M. A.; Boyce, James K.; Evenson, Robert E. - 1987
Persistent link: https://www.econbiz.de/10000762962
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Agricultural research and productivity growth in India
Evenson, Robert E.; Pray, Carl E.; Rosegrant, Mark W. - 1999
Persistent link: https://www.econbiz.de/10000678893
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Extension, technology, and efficiency in agriculture in sub-Saharan Africa
Evenson, Robert E. - 1997
Persistent link: https://www.econbiz.de/10000628354
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The economic impact of agricultural extension : a review
Birkhaeuser, Dean - In: Economic development and cultural change 39 (1991) 3, pp. 607-650
Persistent link: https://www.econbiz.de/10001104148