Chopra, P N. <br/><br/>
Principles of Economics. 

 - 6th ed. 
 - Culcutta     Kalyani Publishers  1996 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330 CHO