Palanisamy, P. N. <br/><br/>
Environmental science /  [Book] 
P. N. Palanisamy, P. Manikandan, Geetha, A.and two others. 
 - Fourth Edition 
 - vii, 275 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>9789332581869 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>550