Ralph M. Barnes <br/><br/>
Motion and time study : Design and measurement of work. Ed 7 

 - 7th  Ed 
 - New York  John Wiley and Sons  1980 
 - 690p 
<br/><br/>Ralph M. Barnes: Motion and time study : Design and measurement of work. Ed 7.  (7th  Ed)  New York.  John Wiley and Sons, 1980. 9814-12-618-7--(658.542BAR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>9814-12-618-7 
<br/><br/><label>Dewey Class. No.: </label>658.542  / BAR