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|a 9682604370
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|a DLC
|d UV
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| 050 |
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4 |
|a Q175
|b H47 I5
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| 100 |
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|a Heredia Ancona, Bertha.
|9 415054
|
| 245 |
1 |
0 |
|a Introducción al método científico
|c / Bertha Heredia Ancona.
|
| 260 |
|
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|a México
|b : CECSA,
|c 1984.
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| 300 |
|
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|a 140 p.
|b : il
|c ; 23 cm.
|
| 500 |
|
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|a Bibliografía: p. [137]-140.
|
| 590 |
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|a Reimpr. 4a, 1991.
|
| 650 |
|
4 |
|a Metodología científica.
|
| 902 |
|
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|a DBUV
|
| 596 |
|
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|a 15 43 57 64
|
| 942 |
|
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|c LIBRO
|6 _
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| 999 |
|
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|c 26332
|d 26332
|
