[ 发表于: economia e sociologia rural ]
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结果 1-2 的 2
Demand elasticities of agricultural products in Brazil
1994
Benevenuto, A. | Souza, G.S.
Biblioteca Nacional de Agricultura - Brazil
Social benefits of corn substitution by cassava pellets in hog ration state of Ceara
1994
Silva, A.S. da | Khan, A.S.
Biblioteca Nacional de Agricultura - Brazil
