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| LEADER |
00915nam a2200337 i 4500 |
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ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a C20
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| 911 |
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|a M
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| 978 |
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|a ME
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| 979 |
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|a 21-08-98
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| 980 |
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|a EMF
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| 981 |
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|a 19/04/2022
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| 991 |
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|a DOC
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| 991 |
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|a ACTUALIZACION DE REGISTRO 1998
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| 991 |
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|a EMF050422
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| 035 |
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|a 000148
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| 041 |
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|a spa
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| 092 |
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|a C20 O68ex
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| 110 |
1 |
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|a FAO, Santiago (Chile)
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| 245 |
1 |
3 |
|a La extensión rural y el desarrollo del agro: una alternativa pragmática para una situación de crisis
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| 260 |
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|a Santiago (Chile) :
|b ,
|c 1987
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| 264 |
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|a Santiago (Chile) :
|b ,
|c 1987
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| 300 |
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|a 55 p.
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| 500 |
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|a 13 ref.
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| 650 |
|
7 |
|a EXTENSION
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| 650 |
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7 |
|a DESARROLLO AGRICOLA
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| 650 |
|
7 |
|a DESARROLLO RURAL
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| 942 |
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|c BK
|2 agris
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0118/98c01
|o C20 O68ex
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0119/98c02
|o C20 O68ex
|