Science in agriculture a discussion of scientific principles in their relation to farm practice adopted for the use of schools and colleges
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London
Longmans
1960.
|
| Rhifyn: | 5th ed. |
| Pynciau: |