Dhaliwal, G.S. <br/><br/>
Essentials of environmental science 

 - New Delhi<br/>  Kalyani Publishers  2005 
 - 369p 
<br/><br/><label>ISBN: </label>8127224723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land economics
<br/><br/><label>Dewey Class. No.: </label>333.7  / DHA