Nambiar , Raghavan.K <br/><br/>
Textbook of Environmental Studies 

 - 2nd Edn. 
 - Chennai  Scitech  2008 
 - [500]p.  24cm.  PB 
<br/><br/><label>ISBN: </label>9788183711111 
<br/><br/><label>Dewey Class. No.: </label>363.7  / NAM