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| 003 | ES-SlBCS | ||
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| 008 | 140529s1973 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 | 1 |
_aLevit, Martin _9139123 |
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_aThe Study of Educaction _c Martin Levit |
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_aEstudio de la Educación _9139124 |
| 773 | 0 |
_tEducational Theory _gvol. 23, nº. 1, 1973, págs. 15-26 _wRev1399 |
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| 942 | _cAR | ||
| 999 |
_c512306 _d512306 |
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