Shah, B <br/><br/>
Environmental studies 6th ed. 

 - 6th edition 
 - New Delhi  :  Mahajan Pub,  2013. 
 - 200 
<br/><br/><label>ISBN: </label>978-93-83058-32-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / SHA