Lewis, W. Arthur <br/><br/>
The Principles of Economic Planning /  
by W. Arthur Lewis 
 - Bombay :   George Allen and Unwin,  1969 
 - p.128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics <br/>Productin, Economic Development and Growth
<br/><br/><label>Dewey Class. No.: </label>338.9  /  LEW-T