Changes in technology and labor requirements in crop production sugar beets
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| Outros Autores: | , , |
| Formato: | Livro |
| Idioma: | English |
| Publicado em: |
Philadelphia, Pa.
s.n.
1937.
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| coleção: | 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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| Assuntos: |