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|a 373.85
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1 |
0 |
|a Manual de la UNESCO para la enseñanza de las ciencias
|
| 260 |
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|a Buenos Aires,
|c 1961.
|
| 300 |
|
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|a 256 p. :
|b il., tablas ;
|c 24 cm.
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| 650 |
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4 |
|a CIENCIAS-ENSEÑANZA
|9 12377
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| 700 |
1 |
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|a Fesquet, Alberto E. J.
|e tr.
|9 12378
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| 942 |
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|c 12541
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|c 34
|d Miguel Kiperszmid
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| 997 |
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|z a
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