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

 - 5th. ed. 
 - New York :  Wiley,  1963 
 - 739 p. :  il. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTUDIO DE TIEMPO<br/>ESTUDIO DE MOVIMIENTOS
<br/><br/><label>Dewey Class. No.: </label>658.542  / B26d