Kumar, Arvind. <br/><br/>
A textbook of environmental science / 
Arvind Kumar. 
 - New Delhi :  A.P.H. Publishing Corporation,  2004 
 - xii, 376 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>8176485896  RM35.39 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks.