Apsangikar, D. K.; Dhage, K. P. & Golatkar, V. V. <br/><br/>
Text book of steps in biology std. XII 

 - 3rd ed 
 - popular prakashan, Surat  1989 
 - [xiii],378p 
<br/><br/><label>Dewey Class. No.: </label>574 Aps