A systems analysis of grain reserves
Eaton, David J.
A systems analysis of grain reserves - Washington, D.C. : Departament of Agriculture, 1980. - 124 p.
GRANOS
CULTIVOS DE GRANOS
ANÁLISIS AGRÍCOLA
RESERVAS ALIMENTARIAS
SUMINISTRO DE ALIMENTOS
CEREALES
A systems analysis of grain reserves - Washington, D.C. : Departament of Agriculture, 1980. - 124 p.
GRANOS
CULTIVOS DE GRANOS
ANÁLISIS AGRÍCOLA
RESERVAS ALIMENTARIAS
SUMINISTRO DE ALIMENTOS
CEREALES