Arvind Kumar <br/><br/>
A textbook of environmental science 

 - New Delhi:  A. P. H. Pub. Corp,  2009 
 - xii, 376 p 
<br/><br/><label>ISBN: </label>9788176485890 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>581.7 KUM