Lewis, W. Arthur. <br/><br/>
The Principles of Economics Planning /  

 - Third Ed. /  
 - London W.C.1 :   Unwin University Books. 
 - 128p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics 
<br/><br/><label>Dewey Class. No.: </label>X:75  / J2;3