Welfling, Weldon <br/><br/>
principles of economics 

 - New York:  MCGraw-Hill,  1971 
 -  488p. 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>070691851 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  / WEP