Kansal, R <br/><br/>
Basic of environmental studies 

 - Pune  :  Tech-Max Pub,  2008. 
 - 5 
<br/><br/><label>ISBN: </label>978-81-8407-979-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / KAN