Verma, P. S. <br/><br/>
A  Manual  of  practical  zoology  invertebrates 

 - 1st /   2011. 
 - Delhi:  S. Chand  &  Company  Private Limited.  2011. 
 - 497p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Zoology, Animals ( Zoology ). 
<br/><br/><label>Dewey Class. No.: </label>590