W. J. L. RYAN <br/><br/>
PRICE THEORY 

 - LONDON  MACMILLAN  1958 
 -  399 P 
<br/><br/><label>Subjects--Topical Terms: </label><br/><br/>
<br/><br/><label>Dewey Class. No.: </label>338.52/RYA/PRI