Shah, B <br/><br/>
Environmental studies 9/ed. 

 - 9th edition 
 - New Delhi  :  Mahajan Pub,  2016. 
 - 300 
<br/><br/><label>ISBN: </label>978-93-84955-71-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / SHA