NCERT. <br/><br/>
CHEMISTRY : TEXTBOOK FOR CLASS XI  (Part--1) 

 - NEW DELHI  NCERT  2006 
 - 253:  24CM. 
<br/><br/><label>Subjects--Index Terms: </label>Chemistry & allied sciences 
<br/><br/><label>Dewey Class. No.: </label>540 NCE