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050201s1989||||es a |||||||||||||spa|| |
040 |
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
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|a spa
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|a 632.96
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|a González de Hernández, Elsy Amabel
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245 |
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|a Determinación del parasitismo natural de trichogramma spp. (Hymenoptera trichogrammatidae) en lepidópteros plagas del algodonero (Gossypium hirsutum)
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260 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1989
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300 |
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|a 105 h. ;
|b il
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336 |
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|2 rdacontent
|a texto
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502 |
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|a Tesis (Lic en Biología) -- Universidad de El Salvador.
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650 |
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|a PARASITISMO
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650 |
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|a ALGODON-ENFERMEDADES Y PLAGAS
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650 |
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|a LEPIDOPTEROS
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700 |
1 |
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|a Estrada A, Mario Enrique
|e asesor
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942 |
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|c BK
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