Dwivedi, D N <br/><br/>
PRINCIPLES OF ECONOMICS / 
D N Dwivedi 
 - 2nd ed. 
 - Noida:  Vikas publishing,  2018. 
 - 627 p 
<br/><br/><label>ISBN: </label>9788125916512 
<br/><br/><label>Dewey Class. No.: </label>330  / DWI/P