by Hans Ruthenberg
Hardcover
ISBN: 978-0-19-859426-0
ISBN-10: 0-19-859426-7
Oxford University Press · 1971
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by Hans RuthenbergHardcover
ISBN: 978-0-19-859426-0 ISBN-10: 0-19-859426-7 Oxford University Press · 1971 |
| See also: | ||
| 1980 | Paperback | Farming Systems in the Tropics |
| 1980 | Hardcover | Farming Systems in the Tropics |
| 1977 | Paperback | Farming Systems in the Tropics |
| 1977 | Hardcover | Farming Systems in the Tropics |