| 000 | 00546nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20240201063624.0 | ||
| 008 | 081110s1962 mx r 000 0 spa d | ||
| 035 | _aUPN01000167528 | ||
| 049 | _aUNE | ||
| 080 | _a371 (100) =20 ORG No.43. | ||
| 245 | 0 |
_aThe Organization of the school year : _ba comparative study. |
|
| 260 |
_aParís : _bUNESCO, _c1962. |
||
| 300 |
_a113 p. : _bil. |
||
| 440 | 0 |
_aEducational studies and documents ; _v43 |
|
| 690 | _aOrganizacion de la educación | ||
| 690 |
_aGestión educacional _92848 |
||
| 905 | _aUNESCO | ||
| 999 |
_c139639 _d139639 |
||