Evenson, R. E., & Kislev, Y. (1975). Agricultural research and productivity (1st edition.). Yale University Press.
Cita Chicago Style (17a ed.)Evenson, Robert E., y Yale Kislev. Agricultural Research and Productivity. 1st edition. London: Yale University Press, 1975.
Cita MLA (8a ed.)Evenson, Robert E., y Yale Kislev. Agricultural Research and Productivity. 1st edition. Yale University Press, 1975.
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