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

 - 13th ed. 
 - Meerut  Rastogi Publications  2022 
 - 755p. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9789350781227 
<br/><br/><label>Dewey Class. No.: </label>574.5  / SHA/ECO