Apsangikar, D. K.; Dhage, K. P. & Golatkar, V. V. <br/><br/>
Introductory biology std. XI 

 - 1st ed 
 - popular prakashan, Surat  1985 
 - 224p 
<br/><br/><label>Dewey Class. No.: </label>574 Aps