Verma, P.S. <br/><br/>
A text book of biology. for class XII 

 - New Delhi :  S.Chand  company,  1980. 
 - x,700p.;  ill.;  24cm 
<br/><br/><label>ISBN: </label>81-219-0834-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574  / VER