Barnes,Ralph M <br/><br/>
Motion and Time Study Design and Measurement of Work 

 - 1st 
 -  John Wiley,New York  1980 
<br/><br/> Film Analysis 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time Study Management Studies 
<br/><br/><label>Dewey Class. No.: </label>