Evenson, R. E. 1. (1992). Research and extension in agricultural development. San Francisco: International Center for Economic Growth.
Styl ChicagoEvenson, Robert E. 1934-2013. Research and Extension in Agricultural Development. San Francisco: International Center for Economic Growth, 1992.
Citace podle MLAEvenson, Robert E. 1934-2013. Research and Extension in Agricultural Development. San Francisco: International Center for Economic Growth, 1992.
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