RUFFIN,ROY J.:GREGORY,PAUL R. <br/><br/>
PRINCIPLES OF MICROECONOMICS 

 - 3rd ed. 
 -  LONDON :SCOTT,FORESMAN  1988 
 - 508 p. 
<br/><br/><label>ISBN: </label>0000673188825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>330  / R82