Barnes/ Ralph.M  <br/><br/>
Motion  & Time Study : Design  and  Measurement  of  work 

 - 7 
 - New york  John Wiley & Sons  1980 
 - 689 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Time
<br/><br/><label>Dewey Class. No.: </label>658.542  / BAR