Agarwala, Rekha <br/><br/>
Diffusion of impact innovations from 1973-76 :  interpersonal communication networks among... / 
by Rekha Agarwala, Everett M. Rogers, Russel M. Welles. 
 - Stanford [E.U.A.] :  Applied Communication Research,  1977. 
 - xiv h. 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Educación--Servicios de información <br/>EDUCACION SUPERIOR ---INNOVACIONES