Nayyar, N. K. <br/><br/>
Unique Quintessence of Chemistry  Comprehensive study material topic-wise multiple choice questions with answers 
/ by N. K. Nayyar 
 - New delhi:  Unique publishers,  2012. 
 - 845p. ; 25cm. 
<br/><br/><label>ISBN: </label>9788183573177 
<br/><br/><label>Dewey Class. No.: </label>540  / NAY/U