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