Agricultural advisory services in Europe and North America 1957 : Report of the International Working Conference of Directors and Senior Officers of Agricultural Advisory Services in member and associate countries held at O.E.C.C. Headquarters, Paris, in June 1957.
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| Format: | Kitap |
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| Language: | English |
| Published: |
Paris :
The European Productivity Agency of The Organisation for European Economic Co-operation,
1958.
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| Series: |
Project No: 395/A
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