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20230228102415.0 |
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190606s1990 ag g 000 0 spa d |
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|a 9682439124
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|a AR-BaUNCB
|c AR-BaUNCB
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| 082 |
0 |
4 |
|a 168.072
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| 100 |
1 |
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|a Rojas Soriano, Raúl
|9 5714
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| 245 |
1 |
3 |
|a El proceso de la investigación científica /
|c Raúl Rojas Soriano
|
| 250 |
|
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|a 4a. ed.
|
| 260 |
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|a México:
|b Trillas,
|c 1990
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| 300 |
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|a 151 p. :
|b il. ;
|c 23 cm.
|
| 650 |
|
7 |
|a Investigación científica
|2 unescot
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| 650 |
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7 |
|a Ciencia
|2 mpirdes
|
| 650 |
|
7 |
|a Filosofía de las ciencias
|2 unescot
|
| 942 |
|
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|2 ddc
|c LIBRO
|