Schultz, Theodore W. <br/><br/>
Investing in people  : The economics of population quality 
/ Theodore W. Schultz 
. - Berkeley ;   Los Angeles ;   London  : University of California Press, 1981
. - XII-173 p.  : couv.ill.  ; 21 cm. 
<br/><br/>Index. 
<br/><br/><label>ISBN: </label>0520047877 
<br/><br/><label>Source: </label>112481  Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>311.