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| LEADER |
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| 041 |
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|a spa
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| 094 |
|
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|a 636.51
|b V286e
|
| 100 |
|
|
|a Vaquerano Velasco, Ulises Edgardo
|
| 245 |
|
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|a Estimación del tamaño de muestra para realizar investigaciones en aves ponedoras
|
| 260 |
|
|
|a San Salvador :
|b Universidad de El Salvador,
|c 1987
|
| 300 |
|
|
|a 48 h.
|
| 502 |
|
|
|a Tesis (Ing. Agronómica) -- Universidad de El Salvador
|
| 650 |
|
|
|a AVES PONEDORAS
|
| 991 |
|
|
|a No asignado
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| 992 |
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|
|a 22/02/2012
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| 942 |
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|c BK
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| 999 |
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|c 38139
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