Subrahmanyam N.S. <br/><br/>
Ecology. Ed. 2 

 - Ed. 2nd 
 - New Delhi  Narosa Publishing House  2017 
 - 354p 
<br/><br/><br/>KANNAD 
<br/><br/><label>ISBN: </label>978-81-7319-7404-6 
<br/><br/><label>Dewey Class. No.: </label>574.5  / SUB