"Mani, P. S" <br/><br/>
Guide for professional agricultural extension work under training and visit system for village extension workers 

 - New Delhi  Ministry of Agriculture  1992 
 - 154 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630.715 MAN