Registros econâomicos de producciâon maâiz y trigo Auteur(s) : Garcâia, Miguel Angel Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
Registros econâomicos de producciâon Auteur(s) : Campos, Arturo Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
Comparative advantage and policy incentives for wheat production in rainfed and irrigated areas of Mexico Auteur(s) : Byerlee, Derek Longmire, James | Partager |