Dwivedi, D. N. <br/><br/>
Principles of economics /    
D. N. Dwivedi. 
 - New Delhi :   Vani Educational Books;    Vikas Publishing House,   Vikas Publishing House,   1985, 1991. 
 - 702 p. :    ill. ;    24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0706927168 0706998073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.--------
<br/><br/><label>Dewey Class. No.: </label>330