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| 020 |
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|a 968412810X
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| 040 |
|
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
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| 041 |
|
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|a spa
|
| 082 |
0 |
|
|a 300.72
|b G984i
|
| 100 |
1 |
|
|a Gutiérrez Saenz, Raúl.
|
| 245 |
0 |
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|a Introducción al método Cientifico /
|c Raúl Gutiérrez Saenz.--
|
| 250 |
|
|
|a 8a ed.
|
| 260 |
|
|
|a Naucalpan, México :
|b Esfinge,
|c 1994.
|
| 300 |
|
|
|a 272p.
|
| 500 |
|
|
|a comp.indice, Apéndice, Bibliografias.
|
| 650 |
|
7 |
|a METODO CIENTIFICO
|2 lemb
|
| 942 |
|
|
|c BK
|8 ddc
|
| 999 |
|
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|c 144492
|d 144492
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| 952 |
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|0 0
|1 0
|4 0
|6 300_720000000000000_G984I
|7 0
|8 CG
|9 260943
|a 30
|b 30
|c GN
|d 2001-10-09
|e | FEPADE
|h
|i 30009755
|l 1
|o 300.72 G984i
|p 30009755
|r 2014-04-09
|s 2014-04-09
|t 1
|w 2006-01-24
|y BK
|