Ruffin, Roy  1938- <br/><br/>
Principles of microeconomics / 
Roy Ruffin, Paul R. Gregory. 
 - Glenview, Ill. :  Scott, Foresman,  c1983. 
 - xxxi, 464 p. :  ill. 
<br/><br/><label>ISBN: </label>0673158578  $23.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.<br/>Microeconomics.
<br/><br/><label>LC Class. No.: </label>HB171.5  / .R82 1983 
<br/><br/><label>Dewey Class. No.: </label>330�19