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2Texto bibliotecaFAO IT
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3Texto bibliotecaFAO IT
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8Texto bibliotecaFAO IT
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11por Information Centre for Low-External-Input and Sustainable Agriculture, Leusden (Netherlands) eng
Publicado 1989Texto bibliotecaFAO IT -
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14por Information Centre for Low-External-Input and Sustainable Agriculture, Leusden (Netherlands) eng
Publicado 2003Texto bibliotecaFAO IT -
15por Information Centre for Low-External-Input and Sustainable Agriculture, Leusden (Netherlands) eng
Publicado 2008Texto bibliotecaFAO IT -
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20por Nanda, M. (ed.), International Alliance for Sustainable Agriculture, Minneapolis, MN (USA) eng
Publicado 1990Texto bibliotecaFAO IT