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

 - New York,  Free Press of Glencoe  [1962] 
<br/><br/> Second ed. published in 1971 under title: Communication of innovations. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social change.<br/>Technological innovations -- Social aspects.--Technological innovations -- Social aspects.<br/>Diffusion of innovations.
<br/><br/><label>LC Class. No.: </label>HM101 Rog 1962