| 000 | 00667nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160049.0 | ||
| 008 | 080626s1975 mx r 000 0 spa d | ||
| 020 | _a9230013277 | ||
| 035 | _aUPN01000157687 | ||
| 049 | _aUNE | ||
| 080 | 1 | 4 | _aOC 002.6: 37 (100) =20 =40 "1975" DIR. |
| 245 | 0 | 0 |
_aDirectory of educational documentation and information services = _bRépertoire des services de documentation et d'information pédagogiques. |
| 260 |
_aParís : _bUNESCO, _c1975. |
||
| 300 | _a60 p. | ||
| 440 | 0 | _aIBEDOC | |
| 690 | _aSistemas de información | ||
| 690 | _aInformación educacional | ||
| 690 | _aEstablecimientos de enseñanza | ||
| 905 | _aUNESCO | ||
| 999 |
_c129801 _d129801 |
||