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|a 0942716035
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 630.715
|b B942t
|2 21
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| 100 |
1 |
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|a Bunch, Roland
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| 245 |
1 |
0 |
|a Two ears of corn :
|b a guide to people-centered, agricultural improvement /
|c Roland Bunch.
|
| 250 |
|
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|a 5. ed
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| 260 |
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|a Oklahoma, E.U. :
|b World Neighbors,
|c 2000.
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| 300 |
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|a ix, 251 páginas :
|b ilustraciones ;
|c 22cm.
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| 650 |
0 |
4 |
|a AGRICULTURA
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| 650 |
0 |
4 |
|a AGRICULTURA DE CAMBIO
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| 650 |
0 |
4 |
|a SOSTENIBILIDAD
|
| 650 |
0 |
4 |
|a RENDIMIENTO DE CULTIVOS
|
| 650 |
0 |
4 |
|a PAISES EN DESARROLLO
|
| 650 |
0 |
4 |
|a FINCAS PEQUEÑAS
|
| 650 |
0 |
4 |
|a TECNOLOGIA AGRICOLA
|