| 000 | 00486nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160528.0 | ||
| 008 | 081109s1987 mx r 000 0 spa d | ||
| 020 | _a9264130357 | ||
| 035 | _aUPN01000167441 | ||
| 049 | _aUNE | ||
| 080 | _a374.3 =20 ADO. | ||
| 245 | 0 | 0 | _aAdolecents and comprehensive schooling. |
| 260 |
_aParís : _bOCDE, _c1987. |
||
| 300 |
_a148 p. : _bfot. |
||
| 690 | _aEnseñanza secundaria | ||
| 690 | _aCurriculo de enseñanza secundaria | ||
| 905 | _aUNESCO | ||
| 999 |
_c139552 _d139552 |
||