Experience with Human Factors in Agricultural Areas of the World /
| 格式: | 圖書 |
|---|---|
| 語言: | English Spanish |
| 出版: |
Washington, D.C. :
Extension Service, U.S. Department of Agriculture, .
1949.
|
| 主題: |
Biblioteca de Investigación Juan de Córdova
| 索引號: |
F RC965 Ex71 1949 |
|---|---|
| 復印件 Fundación Alfredo Harp Helú Oaxaca | Fundación Alfredo Harp Helú Oaxaca |