Vahaly, John. <br/><br/>
Study guide, Principles of macroeconomics / 
John Vahaly, Jr. ; prepared to accompany the text by Roy J. Ruffin and Paul R. Gregory. 
 - Glenview, Ill. :  Scott Foresman,  1983. 
 - 194 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0673158543 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.