| 000 | 00449nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20220923063457.0 | ||
| 008 | 991125s1977 san 000 0 spa u | ||
| 035 | _aUPN01000054815 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aLB1027 _bS7.7 |
|
| 245 | 0 | 0 | _aStepts toward a flexible curriculum. |
| 260 |
_aSantiago, Chile : _bUNESCO, _c1977. |
||
| 300 |
_a147 p. : _bil. |
||
| 650 | 7 |
_aEducación _zAmérica Latina _2 _99694 |
|
| 905 | _aLibro | ||
| 999 |
_c54815 _d54815 |
||