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| 005 | 20250508161947.0 | ||
| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 020 | _a92-3-101423-4 | ||
| 037 | _aTextual | ||
| 040 |
_aFEDL _beng _cFEDL |
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| 041 |
_aeng _2eng |
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_a371.3, UNE _qFEDL |
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| 245 | 0 | _aEconomics of new educational media : Present status of research and trends | |
| 245 | 0 | _cUnesco | |
| 260 |
_aParis, France _bUnited Nations Educational, Scientific and Cultural Organization _c1977 |
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| 300 | _a199p. | ||
| 942 |
_cTEXL _h371.3, UNE |
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_c1373508 _d1373508 |
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