Tiwari, Manoj. <br/><br/>
Environmental studies /  
Manoj Tiwari,Kapil  Khulbe and Archana Archana. 
 - /   . 
 - NewDelhi :   I K International ,   2007. 
 - 272p. :   ills.,picts.,tables ;   22cm  1 CD .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label> RS145.00 (Pb) 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL SCIENCE  
<br/><br/><label>Dewey Class. No.: </label>363.7  / TIW/E