Verma, P.S. <br/><br/>
A manual of  practical zoology - Invertebrate 

 - 8th /   1985. 
 - Delhi:  S. Chand & Company Ltd.,  1985. 
 - 647p: 
<br/><br/><label>Subjects--Personal Names: </label><br/>Zoology, Practical Zoology - Invertebrate. 
<br/><br/><label>Dewey Class. No.: </label>591