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| 003 | AR-SsjUIB | ||
| 005 | 20250710155053.0 | ||
| 008 | 250429s1971 it 000 0 eng d | ||
| 040 |
_aAR-SsjUIB _cAR-SsjUIB |
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| 041 | 0 | _aeng | |
| 044 | _ait | ||
| 080 | _a51 | ||
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_aServais, W. _914537 |
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| 245 | 1 | 0 | _aTeaching school mathematics. |
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_aGreat Britain : _bUNESCO, _c1971. |
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| 650 | 7 |
_aMatemáticas _2lemb _9299 |
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_aLibro _2unescot _914 |
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_cLB _2cdu |
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_adbfi _d1998-06-16 |
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