Welfling, Weldon. <br/><br/>
Principles of economics / 
Weldon Welfling 
 - New York :  McGraw-Hill,  1971 
 - 488 p. 
<br/><br/>Include index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330.01  / WEP 1971