BHARTI,PAWAN KUMAR <br/><br/>
AQUATIC ENVIRONMENT AND TOXICOLOGY 

 - 1st Ed. 
 - New Delhi  Discovery Publishing House, New Delhi   2013 
<br/><br/><label>ISBN: </label>978-93-5056-236-9 
<br/><br/><label>Dewey Class. No.: </label>571.95  / BHA/A