Farm power in Sri Lanka
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Reading (UK) Reading Univ.
1982
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| Subjects: | MECHANIZATION, ANIMAL POWER, LABOUR, TRACTORS, LABOUR PRODUCTIVITY, MECANISATION, ENERGIE ANIMALE, MECANIZACION, ENERGIA ANIMAL, TRAVAIL, TRACTEUR, PRODUCTIVITE DU TRAVAIL, TRABAJO, TRACTORES, PRODUCTIVIDAD DEL TRABAJO, |
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