| 000 | 00696nam a2200217 a 4500 | ||
|---|---|---|---|
| 005 | 20210223130711.0 | ||
| 008 | 081003s1989 mx r 000 0 spa d | ||
| 035 | _aUPN01000162164 | ||
| 049 | _aUNE | ||
| 080 | _a371 =20 BRA | ||
| 100 | 1 | _aBray, Mark | |
| 245 | 1 | 0 |
_aMultiple-shift schooling : _bdesing and operation for cost-effectiveness / _cMarkBray. |
| 260 |
_aParis : _bUNESCO; _aNueva York : _bUNICEF, _c1989. |
||
| 300 |
_a99 p. ; _bil. |
||
| 440 | 0 |
_aChild family community ; _v27. |
|
| 690 | _aEnseñanza- Administracion de la enseñanza | ||
| 690 | _aEstrategias de enseñanza- Administracion de la enseñanza | ||
| 710 | 2 | _aUNESCO | |
| 710 | 2 |
_aUNICEF. _924085 |
|
| 905 | _aUNESCO | ||
| 999 |
_c134277 _d134277 |
||