Saxena, Bhawna. <br/><br/>
Objective biology 

 - 11th eition, 2015. 
 - New Delhi :  Ramesh Publishing House  2021 
 - 350 pages.  
<br/><br/><label>ISBN: </label>978-93-5012-622-6 
<br/><br/><label>Subjects--Topical Terms: </label> PG-BT-CBS 
<br/><br/><label>Dewey Class. No.: </label>570  / SAX