17846Politica agraria de AmericaPT1993-07-13 18:00:00BT15824Politica economica de AmericaPTBT9730Politica agrariaPTNT18639Politica agraria de CanadaPTNT18647Politica agraria de CentroamericaPTNT18668Politica agraria de Estados UnidosPTNT8608Politica agraria de IberoamericaPTNT18712Politica agraria del CaribePTNT9080Reforma agraria de AmericaPT