Changes in technology and labor requirements in crop production sugar beets
| Päätekijä: | |
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| Muut tekijät: | , , |
| Aineistotyyppi: | Kirja |
| Kieli: | English |
| Julkaistu: |
Philadelphia, Pa.
s.n.
1937.
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| Sarja: | Half-title : National research project on reemployment opportunities and recent changes in industrial techniques...Studies of changing techniques and employment in agriculture...[Report no. A-1]
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| Aiheet: |