Varandani N S.  <br/><br/>
Basics of environmental studies 

 - 2nd edition. 
 - Ahmedabad :   Book India Pub.   2010 
 - 306.  
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>628  / VAR