Gupta R. <br/><br/>
Agricultural Field Officer (Scale-1) : Preliminary and Main Exams 

 - New Delhi  Ramesh Publishing House  2019 
 - 350p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>978-93-86845-75-4 
<br/><br/><label>Dewey Class. No.: </label>332.31  / GUP