Dernburg, Thomas F. <br/><br/>
Macro economics/3e 

 - 3rd ed. 
 - New York  Mc Graw Hill Book Company  1968 
 - 438p. 
<br/><br/><label>Subjects--Index Terms: </label>Economic activity 
<br/><br/><label>Dewey Class. No.: </label>339.2  / DER