Ruffin, Roy J <br/><br/>
Principles of macroeconomics 
Roy J Ruffin 
 - Glenview:  Scott Foresman and Co,  1978. 
 -  xxix, 416p. 
<br/><br/> PB 
<br/><br/>Includes bibliography and index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>067315856X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>339  / RUP