Harbison, Frederick H.. <br/><br/>
Human Resources as the Wealth of Nations /  

 - First Ed. /  
 - New York :   Oxford University Press ,   1959 
 - p.173 :  
<br/><br/><label>ISBN: </label>0-19-501612-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>X:951  / L3