Gains in productivity of farm labor
By: by Reuben W. Hecht and Glen T. Barton
Contributors: Barton, Glen T.
Series: Technical bulletin / United States Department of Agriculture -- no. 1020; Technical bulletin (United States. Department of Agriculture) -- no. 1020
Publisher: U.S. Department of Agriculture
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 121
Subjects: Agricultural productivity; Agricultural laborers
Notes: Cover title.

Literature cited: p. 62-63.