Guevara Viera, Guillermo E., Center for Animal Production Development Studies (CEDEPA), Faculty of Agricultural Sciences, University of Camagüey, Cuba, Cuba

• Revista de Producción Animal Vol. 25 Núm. 1 (2013): (English Version) - Manejo y Alimentación
  Efficiency of Agricultural Upgrading as a Component of the Farming Extension System
  Resumen  PDF (English)