Roger,Everett M <br/><br/>
Diffusion of innovations 

 - 5th 
 - New York  Free  2003 
 - 550 
<br/><br/><label>ISBN: </label> 1701.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>Dewey Class. No.: </label>303.484  ROG