Kalsi P S <br/><br/>
Organic Reactions And Their Mechanisms/ 
by P S Kalsi 
 - 4th Ed. 
 - New Delhi:  New Age International Publishers:  2017. 
 - xxiii,740p.  15cm. 
<br/><br/><label>ISBN: </label>9789386070661 
<br/><br/><label>Dewey Class. No.: </label>547