Richards, R. D., <br/><br/>
Groundwork of economics 
by R. D. Richards  
 - 8th. 
 - London:  university tutorial press ltd.,958. 
 - 339p:9cm. 
<br/><br/><label>Subjects--Index Terms: </label>Economics Groundwork of economics 
<br/><br/><label>Dewey Class. No.: </label>330.01