Singh B.B. <br/><br/>
Question Bank on Agricultural Extension : 

 - New Delhi  Astral International (P) Ltd  2018 
 - 211p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>93-5124-793-7 
<br/><br/><label>Dewey Class. No.: </label>153.9463  / SIN