Hepner, Harry Walker,  1893- <br/><br/>
Psychology applied to life and work / 
by Harry Walker Hepner. 
 - New York :  Printice-Hall,  1941. 
 - 724 p. :  ill.;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success<br/>Psychology, Industrial