Tiwari Vijay Kumar  <br/><br/>
Textbook of Environmental Studies  

 - 1 
 - Mumbai  Himalaya Publishing House.P.L  2010 
 - 434 
<br/><br/><label>ISBN: </label>978-93-5142-554-0 
<br/><br/><label>Dewey Class. No.: </label>363.7 P10 TIW