Ralph M. Barnes <br/><br/>
Motion and Time Study Design and Measurement of Work 6th Edition 

 -  John Wiley & Sons New York  1968 
 - 799 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factory Management
<br/><br/><label>Dewey Class. No.: </label>658.5421  / BAR