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| 003 | ES-SlBCS | ||
| 005 | 20210601124314.0 | ||
| 008 | 140529s1985 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 | 1 |
_aUrban, Wayne J. _9139474 |
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| 245 | 0 | 0 |
_aProductive Work in Industry and Schools _c Wayne J. Urban |
| 650 | 0 | 4 |
_aTrabajo Productivo _9139475 |
| 773 | 0 |
_tEducational Theory _gvol. 35, nº. 1, 1985, págs. 109-116 _wRev1399 |
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| 942 | _cAR | ||
| 999 |
_c512640 _d512640 |
||