Rana, S.V.S <br/><br/>
Essentials of Ecology and Environmentals Science, 4/ed 
By S. V. S Rana 
 - 4th 
 - New Delhi  PHI.Newdehli  2010 
 - 568 
<br/><br/> Engineering 
<br/><br/><label>ISBN: </label>978-81-203389-44 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil