Heady, Earl O.
Roots of the farm problem : ( Changing Technology , Change Capital Use , Changing Labor Needs) / Textual Documents Earl O. Heady. - Ames : Lowa State Unviersity Press , 1965. - ix, 224 p. tables, figs. .
Agric, Economics Roots
338.1 / HEA
Roots of the farm problem : ( Changing Technology , Change Capital Use , Changing Labor Needs) / Textual Documents Earl O. Heady. - Ames : Lowa State Unviersity Press , 1965. - ix, 224 p. tables, figs. .
Agric, Economics Roots
338.1 / HEA