System theory applications to agricultural modeling
Levis, Alexander H.
System theory applications to agricultural modeling - Washington, D.C. : Department of Agriculture, 1978 - 70 p. : gráfs.
29535
Agricultura--Modelos matematicos.
Análisis de sistemas.
Política agrícola.
System theory applications to agricultural modeling - Washington, D.C. : Department of Agriculture, 1978 - 70 p. : gráfs.
29535
Agricultura--Modelos matematicos.
Análisis de sistemas.
Política agrícola.