Lipsey, Richard G. <br/><br/>
Workbook for the Seventh Edition of An Introduction to Positive Economics: 

 - London.  Weidenfeld and Nicolson.  1989. 
 - vi, 313p.: 
<br/><br/><label>ISBN: </label>0297795589 
<br/><br/><label>LC Class. No.: </label>HB171.5.L5