Porter Elias H <br/><br/>
Manpower development    The system training concept    

 - New York  Harper & Row         1964 
 - xiii,138p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational Psychology
<br/><br/><label>Dewey Class. No.: </label>S4, K4