Mass media in society :   the need of research. 

 - Paris :  Unesco,  1974. 
 - 35 p. ;  28 cm. 
 - Reports and papers on mass communication,   no. 59 .
<br/><br/>336  336 
<br/><br/><label>ISBN: </label>92-3-100953-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mass communication.
<br/><br/><label>Dewey Class. No.: </label>301.243072 / U3m