Srivastav, Sweta  <br/><br/>
Basics of environmental science/  	 
Sweta Srivastav 
 - New Delhi:   Anmol Publications Pvt. Ltd,   c2008. 
 - vii, 324 pages :   illustrations ;   22cm. 
<br/><br/><label>ISBN: </label>9788126135226 (cb.)