Debi, Aloka <br/><br/>
Environmental science and engineering 

 - Hyderabad  Universal Press  2008 
 - 210p. 
<br/><br/><label>ISBN: </label>8173716080 
<br/><br/><label>Subjects--Index Terms: </label>environmental science 
<br/><br/><label>Universal Decimal Class. No.: </label>349.6:502.1  / DEB