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

 - New Delhi :  S.Chand &  Company,  1992. 
 - 602p.;  ill.;  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574  / VER