| 000 | 00573nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160456.0 | ||
| 008 | 081109s1963 mx r 000 0 spa d | ||
| 035 | _aUPN01000166304 | ||
| 049 | _aUNE | ||
| 080 | _a371.68 (100) =20 DEV No.50. | ||
| 245 | 0 | 0 |
_aDevelopments in audio-visual education : _bSome recent articles. |
| 260 |
_aParis : _bUNESCO, _c1963. |
||
| 300 | _a57 p. | ||
| 440 | 0 |
_aEducational studies and documents ; _v50. |
|
| 690 | _aAyudas audiovisuales | ||
| 690 | _aPelículas auditivas | ||
| 690 | _aEnseñanza por multimedios | ||
| 905 | _aUNESCO | ||
| 999 |
_c138415 _d138415 |
||