Thirkettle , George Leslie. <br/><br/>
Advanced economics/   eng. 
Thirkettle , George Leslie. 
 - 2nd ed. 
 - Estover ; Plymouth :   Macdonald and Evans,   1976. 
 - xiv, 138p.:  18cm. 
<br/><br/><label>ISBN: </label>0712101640 
<br/><br/><label>Dewey Class. No.: </label>330.01  / THI