Kenneth B. Haas Claude H. Ewing <br/><br/>
Tested Training Techniques 

 - New York  Prentice Hall Inc  1950 
 - 111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour Economics
<br/><br/><label>Dewey Class. No.: </label>331.86  / HAA