Martin,W.Leonard. <br/><br/>
Principles of Economics :  macroeconomics. 

 - ed. 
 - Ohio :  Grid publishing,  1980. 
 - 309  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.