Usha, A. <br/><br/>
Pollution Prevention  / 
A Usha 
 -  Iup ,  2007 
 - 210 
<br/><br/><label>ISBN: </label>9788131413449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law
<br/><br/><label>Dewey Class. No.: </label>363.739  / USH