Peterson, Willis L. <br/><br/>
Principles of economics:micro 

 - 7th ed. 
 - Delhi  Universal  1989 
 - xii,308p, 22cm 
 - Irwin Publication in Economics .
<br/><br/><label>ISBN: </label>8185392293 
<br/><br/><label>Dewey Class. No.: </label>338.5,  / D, pet