Stilwell, J. A. and others. <br/><br/>
Workbook of accompany the fourth edition of an introduction to positive economics.// 
Stilwell, J. A.  
 - 4th ed. 
 - Weldfeld  ELBS  1976 
 - 324p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330 STW(4)