Ambasht, R S <br/><br/>
Environment and pollution: An ecological approach 

 - 5th ed. 
 - New Delhi  CBS Publishers & Distributors  2006 
 - xiv, 332 p. 
<br/><br/> 1932 05/02/2015 HBD6293 18/02/2015 Main Budget 
<br/><br/><label>ISBN: </label> RS250 
<br/><br/><label>Dewey Class. No.: </label>363.73 A81E(5)