| 000 | 00804nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160514.0 | ||
| 008 | 081109s1981 mx r 000 0 spa d | ||
| 035 | _aUPN01000167065 | ||
| 049 | _aUNE | ||
| 080 | _a371.64/. 69 (100)=20 1981INS No.32. | ||
| 245 | 0 | 0 |
_aInstructional materials for developing information concepts and information-handling skills in schoolchildren : _ban international study / _cedited by Ann Irving. |
| 260 |
_aParis : _bUNESCO, _c1981. |
||
| 300 |
_aiii, 64 p. ; _bil. |
||
| 440 | 0 | _aPGI-81/WS/32 | |
| 690 | _aMaterial y equipo didacticos- Formacion de docentes | ||
| 690 | _aProduccion de libros de texto- Guia del docente | ||
| 690 | _aFormacion de docentes- Material y equipo didacticos | ||
| 710 | 2 | _aPrograma General de Información y UNISIST | |
| 905 | _aUNESCO | ||
| 999 |
_c139176 _d139176 |
||