Research and Productivity in Wheat and Maize
Autor: | Evenson, Robert E., Kislev, Yoav |
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Zdroj: | Journal of Political Economy, 1973 Nov 01. 81(6), 1309-1329. |
Databáze: | JSTOR Journals |
Externí odkaz: |
Autor: | Evenson, Robert E., Kislev, Yoav |
---|---|
Zdroj: | Journal of Political Economy, 1973 Nov 01. 81(6), 1309-1329. |
Databáze: | JSTOR Journals |
Externí odkaz: |