| 000 | 00646nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160046.0 | ||
| 008 | 080624s1978 mx r 000 0 spa d | ||
| 035 | _aUPN01000157536 | ||
| 049 | _aUNE | ||
| 080 | _a659.3 (100) =20 COM No.9. | ||
| 245 | 0 | 0 |
_aCommunication : _bwhat do we know? |
| 260 |
_aParís : _bUNESCO, _c1978. |
||
| 300 | _a32 p. | ||
| 440 | 0 | _aInternational Commission for the Study of Communication Pro- | |
| 690 | _aDesarrollo de la comunicación - Cambio social | ||
| 690 | _aSociología de la comunicación | ||
| 710 | 2 |
_aUNESCO. _bInternational Commission for the Study of Communication Problems |
|
| 905 | _aUNESCO | ||
| 999 |
_c129650 _d129650 |
||