Agricultural alternatives and nutritional self-sufficiency : for a sustainable agricultural system that respects man and his environment proceedings of the IFOAM Seventh International Scientific Conference, Ouagadougou, January 2-5, 1989 /
| Corporate Authors: | , |
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| Format: | Book |
| Language: | English |
| Published: |
Witzenhausen :
Ekopan,
1989.
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| Subjects: |