| 000 | 00447nam a2200157 a 4500 | ||
|---|---|---|---|
| 003 | DLC | ||
| 005 | 20210219152745.0 | ||
| 008 | 991125s1991 mx 000 0 spa u | ||
| 035 | _aUPN01000060086 | ||
| 245 | 0 | 0 | _aEDUCACION Y SOCIEDAD - UPN |
| 260 |
_aSan Luis Potosí, San Luis Potosí, México : _bUniversidad Pedagógica Nacional. UNIDAD 241 _c1991 |
||
| 310 | _aSemestral | ||
| 321 | _aCuatrimestral | ||
| 905 | _aRevista | ||
| 999 |
_c59927 _d59927 |
||