Peterson, Willis L. <br/><br/>
Principles of economics.  Macro / 
Willis L. Peterson. 
 - 7th ed. 
 - Homewood, Ill. :  Irwin,  c1989. 
 - xi, 331 p. :  ill. ;  24 cm. 
 - Irwin publications in economics .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0256067953  TZS 1,980/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.
<br/><br/><label>Dewey Class. No.: </label>339 PET