The process and effects of mass communication 
Wilbur Schramm 
 - Illinois:  The University of Illinois,  1972. 
 - 586p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media
<br/><br/><label>Dewey Class. No.: </label>302.23  / SCP