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170505b1979 cr ||||| |||| 00| 0 spa d |
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|a Sistema de Bibliotecas de la Universidad de Panamá
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| 082 |
0 |
4 |
|2 19
|a 630.2815
|b H326
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| 100 |
1 |
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|9 200227
|a Hart, Robert D.
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| 245 |
1 |
0 |
|a Agroecosistemas:
|b conceptos básicos
|c / Robert D. Hart. -
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| 260 |
|
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|a Turrialba, Costa Rica :
|b Centro Agronómico Tropical de Investigación y Enseñanza,
|c 1979.
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| 300 |
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|a 211 p. :
|b il. ;
|c 28 cm. -
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| 490 |
0 |
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|a Serie Materiales de Enseñanza;
|v No. 1
|
| 650 |
|
7 |
|2 LEMB
|9 190451
|a SISTEMAS AGRICOLAS
|
| 650 |
|
7 |
|2 LEMB
|9 158918
|a ECOLOGIA AGRICOLA
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| 942 |
|
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|2 ddc
|c BK
|n 1
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| 999 |
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|c 204891
|d 204890
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|0 0
|1 0
|2 ddc
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|6 630_281500000000000_H326
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|8 CG
|9 342287
|a 20
|b 20
|c 17
|d 2017-05-05
|o 630.2815 H326
|p 00128152
|r 2017-05-05
|t e.2
|w 2017-05-05
|y BK
|