verma ,p.s. <br/><br/>
a manual of practical zoology invertebrates  [[Book] /] 
p.s. verma . 
 - new dlhi :  S. chand and company LTD,  1971. 
 - 497 p. ;  24cm. 
<br/><br/> All Ages. 
<br/><br/><label>ISBN: </label>8121908299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>general directions .--microscopes .
<br/><br/><label>Dewey Class. No.: </label>590