Sinha,S. <br/><br/>
A text book of Environmental Studies   

 - 1st /   2005. 
 - Delhi:  AITBS Publishers & Distributors.  2005. 
 - 327p:  23cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Environment, Environment. 
<br/><br/><label>Dewey Class. No.: </label>574.52