Extension service news
Código CCN: 031418-8
| Pays: Não informado |
| Éditeur: Virginia Polytechnic Institute, Agricultural Extension Service |
| Imprenta:
Blacksburg, Va.:
Virginia Polytechnic Institute, Agricultural Extension Service,
1946
|
| Sujet: AGRICULTURA |
| Área de numeração: Vol. 1, No. 1 (1946)-Vol. 25, No. 10 (1970) |