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109654 |
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AR-LpUBP |
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20250704193757.0 |
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|a 373.85
|a 372.85
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| 110 |
2 |
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|a Organización de las Naciones Unidas para la educación, la ciencia y la cultura (UNESCO)
|9 5107
|
| 245 |
1 |
0 |
|a New trends in integrated science teaching. Tendances nouvelles de lintégration des enseignements scientifiques
|
| 260 |
|
|
|a París :
|b UNESCO,
|c 1971.
|
| 300 |
|
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|c 27 cm.
|
| 500 |
|
|
|a La biblioteca posee v.1, 5 (en español)
|
| 650 |
|
4 |
|a CIENCIA-ENSEÑANZA
|9 20116
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| 942 |
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