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Economic benefits from research: an example from agriculture [USA]Evenson, R.E ; Waggoner, P.E ; Ruttan, V.WScience (American Association for the Advancement of Science), 1979-09, Vol.205 (4411), p.1101-1107 [Periódico revisado por pares]United States: American Association for the Advancement of ScienceTexto completo disponível |