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| 020 | _a968-16-3182-X | ||
| 040 |
_aBPGM _bspa |
||
| 041 | _aspa | ||
| 245 | 0 | _aMATEMATICAS | |
| 260 |
_bSECRETARIA DE EDUCACION PUBLICA _c1990 |
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| 336 |
_2rdacontent _atexto _btxt |
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| 337 |
_2rdamedia _asin mediación _bn |
||
| 338 |
_2rdacarrier _avolumen _bnc |
||
| 942 |
_cGENERAL _2ddc |
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| 999 |
_c19454 _d19454 |
||