Varandani N S <br/><br/>
Basic of environmental studies 2nd ed. 

 - 2nd edition. 
 - Ahmedabad  :  Books India ,  2010. 
 - 303 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / VAR