Richard G. Lipsey <br/><br/>
An introduction to positive economics  
/ Richard G. Lipsey 
 - 6th ed. 
 - London :  Gloucester,   1983. 
 - xxv, 788 p. :   ill. ;  26 cm. 
<br/><br/>Includes index. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>0297782657  TZS 8,000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>International trade
<br/><br/><label>Dewey Class. No.: </label>330 LIP