Chopra, J.K . <br/><br/>
Unique Quintessence of General Studies 2009 /  Textual Documents 
J.K. Chopra. 
 - 30th ed. / 
 - N.Delhi :  Unique Publishers ,  2009. 
 - Unitwise ; 
<br/><br/><label>Subjects--Index Terms: </label>General Studies ,Competitive exams. 
<br/><br/><label>Dewey Class. No.: </label>001  / Ch 455 Ge