Yadav,S.J. <br/><br/>
Evaluation of Agricultural Extension A Study of Haryana 

 - New Delhi  Concept Publishing Company  1954 
<br/><br/><label>ISBN: </label>81-7022-386-5 
<br/><br/><label>LC Class. No.: </label>630.715/YAD  / 3 
<br/><br/><label>Dewey Class. No.: </label>630.715/YAD  / 3