Sharma, P. D. <br/><br/>
Ecology and environment 

 - 7th edition 2004. 
 - New Delhi :  Rastogi Publications  2021 
 - 350 pages.  
<br/><br/><label>ISBN: </label>81-7133-704-X 
<br/><br/><label>Subjects--Topical Terms: </label> Biotechnology 
<br/><br/><label>Dewey Class. No.: </label>577  / SHA