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|a Sistema de Bibliotecas de la Universidad Nacional de Agricultura
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|a IA 00651
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|a Santos Chandías, Pedro Ariel
|9 2251
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| 245 |
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|a Niveles de residuos de insecticidas organoclorados y caracteristícas fisicoquímicas presentes en suelos de fincas orgánicas y convencional de Coffea arabica, en Tapachula, Chiapas, México /
|c Pedro Ariel, Santos Chandías
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| 260 |
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|a Catacamas, Olancho,
|b UNAG,
|c 2011
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|a 75 p.
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|a Tesis (Ingeniero Agrónomo)
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