Where inventions were the mother of necessity
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| Main Authors: | , , |
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| Format: | Texto biblioteca |
| Language: | |
| Subjects: | CONTOUR CULTIVATION, TRADITIONAL FARMING, LABOUR, CULTURE EN COURBE DE NIVEAU, AGRICULTURE TRADITIONNELLE, TRAVAIL, CULTIVO EN CURVAS DE NIVEL, AGRICULTURA TRADICIONAL, TRABAJO, |
| Online Access: | http://www.fao.org/docrep/T3550E/T3550E00.htm |
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