Disha Pubication <br/><br/>
Guide to RRB NTPC Non-Technical Recruitment Exam 
/ by Disha Publication 
 - 3rd ed. 
 - New Delhi:  Disha Publications, 
 - D-76p. 
<br/><br/><label>ISBN: </label>9789362252685 
<br/><br/><label>Dewey Class. No.: </label>385  / DIS/G