Yadav, J.S. <br/><br/>
Evaluation of agricultural extension  : a study of haryana 

 - New Delhi  ; Concept Publishing  , 1992 
 - 207p. 
<br/><br/><label>ISBN: </label>8170223865  160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Science<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630  / YAD