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| LEADER |
01305nam a2200409 i 4500 |
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| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a E50
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| 911 |
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|a MS
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| 978 |
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|a EMF
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| 979 |
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|a 03-04-1997
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| 980 |
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|a RS
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| 981 |
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|a 17/08/2021
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| 991 |
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|a DOC
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| 991 |
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|a PRIAG
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| 991 |
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|a ACTUALIZACION REGISTROS 1997
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| 991 |
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|a R21128
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| 035 |
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|a 003526
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| 041 |
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|a spa
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| 092 |
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|a E50 P964s
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| 110 |
1 |
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|a Programa Regional de Reforzamiento a la Investigación Agronómica sobre los Granos en Centroamérica, San José (Costa Rica)
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| 245 |
1 |
0 |
|a Sondeo agrosocioeconómico de Joroco, Bolívar, San Alejo, Uluazapa y El Carmen, El Salvador, 1991
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| 260 |
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|a San José (Costa Rica) :
|b ,
|c 1996
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| 264 |
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|a San José (Costa Rica) :
|b ,
|c 1996
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| 300 |
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|a 51 p.
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| 490 |
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|a Informe preliminar (Costa Rica)
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| 500 |
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|a Cuadros
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| 650 |
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7 |
|a GRANOS
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| 650 |
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7 |
|a ENTORNO SOCIOECONOMICO
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| 650 |
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7 |
|a EL SALVADOR
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| 653 |
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|a SISTEMAS DE PRODUCCION
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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 D0090/97c01
|o E50 P964s
|
| 952 |
|
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0091/97c02
|o E50 P964s
|
| 952 |
|
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0092/97c03
|o E50 P964s
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0093/97c04
|o E50 P964s
|
| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0094/97c05
|o E50 P964s
|