Raj, Amal S. <br/><br/>
Introduction to Environmental Science and Technology 
S Amal Raj 
 - New Delhi  Laxmi Publications (P) Ltd  2007 
 - vi, 139p. 
<br/><br/><label>ISBN: </label>8170087090 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Technology<br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>628 RAJ