By Mallick, Abhijit <br/><br/>
Environmental science and management 

 - 1st 
 - New Delhi  Viva  2015 
 - xxii; 249p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science and management
<br/><br/><label>Dewey Class. No.: </label>333.068  / MAL