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|a Universidad Nacional Agraria
|b spa
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| 911 |
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|a M
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| 978 |
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|a EMF
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| 979 |
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|a 29-04-2002
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| 991 |
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|a TEXTO
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| 991 |
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|a ABREC
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| 020 |
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|a ISBN 968-856-262-5
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| 035 |
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|a 015104
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| 041 |
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|a spa
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| 092 |
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|a 001.42 R741g
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| 100 |
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|a Rojas Soriano, R.
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| 245 |
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|a Guía para realizar investigaciones sociales
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| 250 |
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|a 34. ed.
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| 260 |
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|a México (México) :
|b Plaza y Valdés,
|c 2001
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| 264 |
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|a México (México) :
|b Plaza y Valdés,
|c 2001
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| 300 |
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|a 437 p.
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| 500 |
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|a Ilus.; 70 ref.
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| 650 |
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|a INVESTIGACION
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| 650 |
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|a METODOS
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| 653 |
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|a INVESTIGACION CIENTIFICO-TECNOLOGICA
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| 942 |
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|c BK
|2 agris
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p L0305/02c01
|o 001.42 R741g
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p L0306/02c02
|o 001.42 R741g
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