| 000 | 01448cam a22003857a 4500 | ||
|---|---|---|---|
| 003 | CHAP | ||
| 005 | 20220817042439.0 | ||
| 008 | 971013s1980 r 00010 d | ||
| 010 | _a45024 | ||
| 011 | _a45996 | ||
| 035 | _a50136 | ||
| 040 | _cCHAP | ||
| 082 |
_a378.99 _bU6 1980 |
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| 110 | _aUniversidad Nacional Autónoma de México | ||
| 245 | 1 | 3 | _aLa educación media es un cruce de caminos |
| 250 | _a5 ed. | ||
| 260 |
_a(s.l.) : _bUNAM, _c(1980?) |
||
| 300 | _a230 p. | ||
| 590 |
_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0315 |
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| 590 |
_aBATCH-UPD _b10 _c20130409 _lUCH01 _h2348 |
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| 590 |
_aBATCH-UPD _b10 _c20130914 _lUCH01 _h1247 |
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| 590 |
_aCONVERSION _b10 _c20130109 _lUCH01 _h1325 |
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| 650 | 1 | 4 |
_aEducación técnica _xMéxico. _935678 |
| 650 | 1 | 4 |
_aOrientación vocacional. _983575 |
| 901 | _aBK | ||
| 942 | _cLIBRO | ||
| 949 |
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| 949 |
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