Dawan, Ashok <br/><br/>
A textbook of environmental studies / 
Ashok Dawan 
 - New Delhi :  Saurabh Publishing House,  c2012 
 - vii, 310 p. ;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788189005245(pbk.)  Rs.195.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks<br/>Human ecology
<br/><br/><label>Dewey Class. No.: </label>333.7