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1
Changing technology and employment in agriculture
1973, Da Capo Press
in English
0306703807 9780306703805
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2
Changing technology and employment in agriculture: by John A. Hopkins. Issued May 1941.
1941, U.S. Govt. Print. Off.
in English
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Book Details
Edition Notes
Cover-title.
At head of title: United States Department of Agriculture. Bureau of Agricultural Economics.

