| 000 | 00419nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 210422s9999 xx 000 0 und d | ||
| 020 | _aSIN ISBN | ||
| 041 | _aESPAÑOL | ||
| 082 |
_a _b |
||
| 100 | _aMEXICO SECRETARIA DE EDUCACION PUBLICA | ||
| 245 | 0 |
_aEDUCACION NORMAL, EDUCACION TECNOLOGICA Y EDUCACION SUPERIOR E INVESTIGACION CIENTIFICA _b |
|
| 260 |
_aMEXICO _bSECRETARIA DE EDUCACION PUBLICA _c1977 |
||
| 942 | _cBK | ||
| 999 |
_c36359 _d36359 |
||