Pushpendra, P <br/><br/>
Basics in environmental studies 

 - New Delhi  International Book House  2013 
 - xvi, 792p.  
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789381335741 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystem<br/>Environmental science<br/>Environmental studies<br/>Natural resources<br/>Pollution