Dhaliwal, G.S. <br/><br/>
Essentials of environmental science / 
G.S Dhaliwal and S.S Kukal. 
 - New Delhi :  Kalyani Publishers,  c2016. 
 - 369 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>9788127224723 (pbk.) 
<br/><br/><label>LCCN: </label>98903903  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>LC Class. No.: </label>GE5  / .A28 1997 
<br/><br/><label>Dewey Class. No.: </label>628  / DHA