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American agriculture : the changing structure
Owen, Wyn F., (1969)
Farm resources needed for specified income levels
Brewster, John M., (1957)
Family and larger than family farms : their relative position in American agriculture
Nikolitch, Radoje, (1962)
Cooperative enterprise as a structural dimension of farm markets
Helmberger, Peter G., (1964)
Farm markets : procurement, bargaining, and market changes
Helmberger, Peter G., (1965)
Economic analysis of farm programs
Helmberger, Peter G., (1991)