DAS, R.R. <br/><br/>
FUNDAMENTALS OF ENVIRONMENTAL SCIENCE 

 - 1st Ed. 
 - 5,ANSARI ROAD,DARYAGANJ,  PARAGON INTERNATIONAL PUBLISHERS,   2010 
<br/><br/><label>ISBN: </label>81-09253-04-2 
<br/><br/><label>Dewey Class. No.: </label>577  / DAS/F