| 000 | 00502nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160414.0 | ||
| 008 | 081106s1997 mx r 000 0 spa d | ||
| 035 | _aUPN01000165006 | ||
| 049 | _aUNE | ||
| 080 | _aOC 37:005 (100) =20 "1997" CLA. | ||
| 245 | 0 | 0 | _aInternational standard classification of education (ISCED), 1997. |
| 260 |
_aParis : _bUNESCO, _c1997. |
||
| 300 |
_a42 p. ; _bil. |
||
| 690 | _aNormas educacionales | ||
| 690 | _aClasificacion- Niveles de enseñanza | ||
| 905 | _aUNESCO | ||
| 999 |
_c137118 _d137118 |
||