Whitwell, W. C. <br/><br/>
Suggestion systems are profitable / 
W. C. Whitwell. 
 - Waterford, Connecticut:   National Foremen's Institute,   [1963].  
 - ix, 174 p. ;  21 cm. 
 -  v. 8 .
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suggestion systems
<br/><br/><label>Dewey Class. No.: </label>658.314