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182150 |
| 020 |
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|a 92301326
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| 040 |
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|a Sistema de Bibliotecas USAC
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| 041 |
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|a esp.
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| 082 |
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|a 371.35
|b M157
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| 099 |
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|a 371.35 M157
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| 100 |
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|a MacKenzie, Norman
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| 245 |
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|a Enseñanza abierta :
|b sistemas de enseñanza postsecundaria a distancia /
|c Norman MacKenzie, Richmond Postgate, John Scupham. --
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| 260 |
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|a París :
|b UNESCO,
|c 1979.
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| 300 |
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|a 441 p. ;
|c 24 cm.
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| 650 |
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|a Educación abierta
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| 650 |
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|a Enseñanza individualizada
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| 650 |
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|a Escuelas libres
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| 700 |
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|a Postgate, Richmond
|e coaut.
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| 700 |
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|a Scupham, John
|e coaut.
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