Introduction to work study. 

 - 2nd. rev. ed. 
 - Geneva :  ILO ,  1969  
 - xix, 436p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business management<br/>Work measurement<br/>Labour economics
<br/><br/><label>Dewey Class. No.: </label>658  / ILO-4