Cunningham, William P. <br/><br/>
Environmental science :  a global concern 

 - 13th ed. 
 - Chennai  McGraw Hill  2015 
 - 614p. 
<br/><br/><label>ISBN: </label>9789339221263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences<br/>Human ecology
<br/><br/><label>Dewey Class. No.: </label>363.7  / CUN