Extension Education Institute, Rajendranagar Andhra Pradesh Agricultural University <br/><br/>
Research studies in extension education 

 - Andhra Pradesh  Extension Education Institute, Rajendranagar Andhra Pradesh Agricultural University  1967 
 - 69p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630.715  / APAU