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

 - 7 
 - New york  John Wiley  c1980 
 - "vii, 689p. : ill. ;23cm." 
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>471059056 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion study<br/>Time study