AGGARWAL (Sarita). <br/><br/>
Text book of biology. PI. 

 - N D  Vikas publishing house pvt ltd  1995 
 - 256 
<br/><br/><label>ISBN: </label>0 7069 9520 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>N C E R T IPUC CBSE
<br/><br/><label>Dewey Class. No.: </label>574 AGGT