Barnes, Ralph M <br/><br/>
Motion and time study design and measurement of work 

 - 7th ed. 
 - New York:  John Wiley and Sons,  1980. 
 - 689 p. 
<br/><br/><label>ISBN: </label>9780471059059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time study
<br/><br/><label>Dewey Class. No.: </label>658.542 BAR