Entelek <br/><br/>
Theory of inocme determination 2V 

 -  1963 
 - 11p  cm. 
 - Programmed instruction in economics  V 1: Text .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distribution
<br/><br/><label>Dewey Class. No.: </label>X;3, K3.1-2