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|a spa
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|a 639.31
|b R788r
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| 100 |
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|a Rosales Arévalo, David
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| 245 |
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|a Relación de los nutrientes contenidos en el lodo y el agua del estanque en la producción piscícola
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| 260 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1988
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| 300 |
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|a 74 h. ;
|b il
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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 PISCICULTURA
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| 991 |
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|a bc_mercy
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| 992 |
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|a 07/08/2006
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| 942 |
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|c BK
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| 999 |
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|c 41865
|d 41865
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