Rogers, Everett M. <br/><br/>
Communication of innovations  : a cross-cultural approach 
Everett M. Rogers  
 - 2nd ed. 
 - New York:  Free Press,  1971. 
 -  476p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication<br/>Social change 
<br/><br/><label>Dewey Class. No.: </label>301.24  / ROC