The introduction of animal traction into inland valley regions: 1. Manual labour and animal traction in the cultivation of rice and maize: a comparison
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| Otros Autores: | , |
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Kaduna (Nigeria) :
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1996
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| Materias: |
| Notas: | Ilus.; 11 ref. |
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| Descripción Física: | pv. |