Welfling, Weldon <br/><br/>
Study guide for principles of economics 

 - New York  McGraw-Hill  1971 
 - vi,154 P. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>330.1  / WEL