Rogers Everett M <br/><br/>
Diffusion of innovations. 

 - Ed 3. 
 - New York  Free Press          1983 
 - xix,453p  cm. 
<br/><br/> Bibliography : P 414-439 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y0gF, K2;M3