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|a Wierema, Holke
|9 8057
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| 245 |
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|a La produccion campesina en Centroamérica:
|b Los sistemas locales de semilla /
|c Holke, Wierema; Conny, Almekinders; Lou, Keune; Rine, Vermeer
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| 260 |
|
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|a San Jose, Costa Rica,
|b IVO,
|c 1993
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| 300 |
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|a 204 p.
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| 650 |
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|x SEMILLA-PAISES
|x CAMPESINOS CENTROAMERICANOS
|x AUTOSUFICIENCIA ALIMENTARIA
|9 8058
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| 942 |
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