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| 008 | 140529s1978 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
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_aSmith, Philip L. _9139286 |
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_aOn Creating and Using Standards _c Philip L. Smith |
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_aEducación _986687 |
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_tEducational Theory _gvol. 28, nº. 1, 1978, págs. 44-53 _wRev1399 |
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_c512438 _d512438 |
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