Rogers, Everett M. <br/><br/>
Communication of innovations :  a cross-cultural approach / 
Everett M. Rogers with F. Floyd Shoemaker. 
 - 2nd ed. 
 - New York :  Free Press,  1971 
 - xix, 476 p. :  illus. ;  24 cm. 
<br/><br/>Bibliography: p. 387-466. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social change.<br/>Technological innovations--Social aspects.<br/>Diffusion of aspects.<br/>Diffusion of innovations.