NCERT <br/><br/>
Biology :  textbook for class XI / 
NCERT 
 - India  NCERT (National Council for Educational Research and Training)  2006 
 - 346 p. 
<br/><br/><label>ISBN: </label>8174504966 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology, Class XI<br/>NCERT Textbook
<br/><br/><label>Dewey Class. No.: </label>570 NCE-R