The agricultural extension system of the United States /
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Main Author: | |
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Other Authors: | , , |
Format: | Kitap |
Language: | English |
Published: |
New York :
John Wiley & Sons, Inc.,
1930.
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Series: |
Books on Education
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Subjects: |
Physical Description: | 402p. : gra., fig., tab. |
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Bibliography: | Bib. End of the chapters |