Signh,jagdesh <br/><br/>
Paryavavaran Evam Sanvikas 

 - 4th ed. 
 - New Delhi     Radha Publication  2001 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>333.7 SHI