Introduction to work study / 
by International Labour Organisation. 
 - 3rd ed. 
 - Geneva :  International Labour Organisation,  1986. 
 - 442 p. :  ill. ;  24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788120406025 (pbk.) 8120406028 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour Management.
<br/><br/><label>Dewey Class. No.: </label>658.542  / ILO/I