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|a 99922-69-91-X
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| 040 |
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|a Sistema de Bibliotecas Universidad Nacional de Ingeniería
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| 041 |
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|a spa
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| 082 |
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|a 001.42 C519
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| 100 |
1 |
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|a Cifuentes Medina, Edeliberto
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| 245 |
1 |
0 |
|a La aventura de investigar: El plan y la tesis.
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| 250 |
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|a 4a.ed.
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| 260 |
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|a Guatemala
|b [s.e]
|c 2003
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| 300 |
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|a 214 p. :il.
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| 650 |
7 |
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|a INVESTIGACIÓN -METODOLOGICA
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| 650 |
7 |
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|b INVESTIGACIÓN CIENTIFICA
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| 650 |
7 |
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|c CONOCIMIENTO CIENTIFICO
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| 942 |
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|c BK
|2 ddc
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| 991 |
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|a TEXTO
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| 999 |
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|c 14362
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