Papers presented during the group fellowship study tour of animal production experimental stations - Ussr, 20 May - 20 Jun 1968.
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| Format: | Texto biblioteca |
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1968
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| Subjects: | ANIMAL PRODUCTION, EXTENSION ACTIVITIES, ECONOMIC SITUATION, ECOLOGY, PRODUCTION ANIMALE, VULGARISATION, PRODUCCION ANIMAL, EXTENSION, SITUATION ECONOMIQUE, ECOLOGIE, SITUACION ECONOMICA, ECOLOGIA, |
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