Ruffin, Roy,  1938- <br/><br/>
Principles of economics / 
Roy Ruffin, Paul R. Gregory. 
 - Glenview, Illinois :  Scott, Foresman,  c1983. 
 - xxxii, 798 pages :  illustrations (some colored) ;  26 cm. 
<br/><br/> Also issued in two separate volumes under titles: Principles of macroeconomics and Principles of microeconomics.  Includes indexes. 
<br/><br/>Bibliography: p. 759-767. 
<br/><br/><label>ISBN: </label>0673155080 
<br/><br/><label>LCCN: </label>82016946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171.5  / .R82 1983 
<br/><br/><label>Dewey Class. No.: </label>330