Roy, Prodipto; Fliegel, Frederick C.; Kivlin, Joseph E. & Sen, Lalit K. <br/><br/>
Agricultural innovation among indian farmers 

 - 1st ed. 
 - National Institute of Community Development, Hyderabad  1968 
 - iv,112 
<br/><br/><label>Dewey Class. No.: </label>301.35(54) Roy