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Roots of the farm problem. Changing technology, changing capital use, changing labor needs
Haroldsen, Edwin O., (1965)
Farm resource allocation and production model of KASM3 : technical documentation
Haen, Hartwig de, (1977)
Causes and impacts of agricultural structures
Mann, Stefan, (2006)
The use of frozen foods by restaurants
Badger, Henry T., (1956)