Rethaliya, R. <br/><br/>
Environmental studies 

 - Ahmedabad  :  Atul Pub,  2013. 
 - 400 
<br/><br/><label>ISBN: </label>978-93-81513-84-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / RET