Verma, P.S. <br/><br/>
A Manual of Practical Zoology 
Invertebrates 
 - New Delhi  S.Chand and Company Pvt Ltd  1971 
 - 200 
<br/><br/><label>ISBN: </label>8121908299 
<br/><br/><label>Publisher. No.: </label> Karnataka Book Agency  
<br/><br/><label>Subjects--Personal Names: </label> Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology