Agarwala, S. P. <br/><br/>
Environmental studies / 
S. P. Agarwala 
 - Oxford, UK :  Alpha Science International Ltd.,  2006 
 - 220 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781842653630 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Study and teaching