Mundel,Marvin E. <br/><br/>
Motion and Time Study: Improving Productivity 

 - 5th Ed. 
 - Newdelhi  Prentice Hall  1981 
 - p.750 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Techniques of Motion Study<br/>Standard Data Systems
<br/><br/><label>Dewey Class. No.: </label>658.542 M965M