Ambastha, C. K . <br/><br/>
Communication patterns in innovation development, extension and client systems :   a systems approach / 
C. K. Ambastha 
 - Delhi :  B.R. Pub.,   1986. 
 - x, 336 p.:  ill.;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agricultural innovations--India
<br/><br/><label>Dewey Class. No.: </label>630.715  / AMC 1986