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|a DLC
|d UV
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|a Q175
|b G877
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|a Gutiérrez Saenz, Raúl.
|9 366397
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| 245 |
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|a Introducción al método cientifico /
|c Raúl Gutiérrez Saenz.
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| 250 |
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|a 4a ed.
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| 260 |
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|a México :
|b Esfinge,
|c 1989..
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| 300 |
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|a 272 p. ;
|c 21 cm.
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| 500 |
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|a En la portada: 11a ed. [i.e.] reimpr.1998: INGE-V.
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| 504 |
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|a Bibliografía: p. [265]-266.
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| 590 |
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|a 1a. Ed. 1980: EN INVESEDU-X
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| 650 |
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4 |
|a Metodología científica.
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| 902 |
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|a DGBUV
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| 942 |
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|c LIBRO
|6 _
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