Chopra, P.N. <br/><br/>
Principles of economics / 
P. N. Chopra 
 - 4th rev. & enl. ed. 
 - New Delhi :  Kalyani,  1983, repr. 1985 
 - vii, 666 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330