Vidyarthi, R.D. <br/><br/>
A text book of zoology / 
by  R.D. Vidyarthi 
 - 11th ed. 
 - Agra  :  Agrasia Publishers ,  1968 . 
 - 727  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology<br/>Animal cells <br/>Protozoa <br/>Skeleton 
<br/><br/><label>Dewey Class. No.: </label>590  / VID-T