Experience with Human Factors in Agricultural Areas of the World /
| Formáid: | LEABHAR |
|---|---|
| Teanga: | English Spanish |
| Foilsithe / Cruthaithe: |
Washington, D.C. :
Extension Service, U.S. Department of Agriculture, .
1949.
|
| Ábhair: |
| Cur síos fisiciúil: | 22 páginas ; 26 cm |
|---|