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_aMingo, Araceli _929327 |
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_aInvestigación educativa en México / _cAraceli Mingo. |
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_aMadrid : _bOEI, _c1986. |
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_aCuadernos de investigación educativa ; _v2 |
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| 690 | _aInvestigación educacional - México | ||
| 690 | _aMéxico - Investigación educacional | ||
| 905 | _aUNESCO | ||
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