| 000 | 00445cas a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20210219152803.0 | ||
| 008 | 991125c19749999xxktu 0 a0eng u | ||
| 022 | _a0268-0513 | ||
| 035 | _aUPN01000061215 | ||
| 245 | 0 | 0 | _aOPEN LEARNING |
| 260 |
_aInglaterra _bOpen University and Longman Group Limited : Pitman Publishing _c1974 |
||
| 310 | _aTres veces al año | ||
| 653 | 0 | _aEDUCACION SUPERIOR | |
| 905 | _aRevista | ||
| 999 |
_c60832 _d60832 |
||