LAL, S.S. <br/><br/>
TEXTBOOK OF PRACTICAL ZOOLOGY: INVERTEBRATE 

 - 9th Ed. 
 - Meerut  Rastogi Publications, Meerut   2005 
<br/><br/><label>ISBN: </label>81 7133 696 5 
<br/><br/><label>Dewey Class. No.: </label>592  / LAL/T