Kanagasabai, S. <br/><br/>
Textbook on environmental studies/ 
S. Kanagasabai 
 - New Delhi :  PHI Learning,  2010 
 - xv, 164 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: P. 161-162 
<br/><br/><label>ISBN: </label>9788120341647 (pbk)  Rs.125.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution<br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>301.31