Rationalization of ploughing operation for drainage
| Main Author: | Mc Millen, E.H (-) |
|---|---|
| Corporate Authors: | United Nations Economic Commision for Europe (-) |
| Format: | Book |
| Bahasa: | eng |
| Terbitan: |
Geneva :
United Nations
, 1965
|
| Series: |
Joint FAO/ECE/ILO committee on forest working techniques and training of forest workers ;
no. 157 |
| Subjects: |