Barnes, Ralph M.  <br/><br/>
Motion and time study :   design and measurement of work / 
Ralph M. Barnes 
 - Philippines:   Phoenix Press,   c1968. 
 - xi, 799 p.;   21 cm. 
<br/><br/>includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471053511 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Motion Study.<br/>2. Time study.
<br/><br/><label>Dewey Class. No.: </label>Prof. 658.54 B263 1968