Marić, D. <br/><br/>
Adapting working hours to modern needs :  the time factor in the new approach to working conditions / 
D. Marić. 
 - Geneva:   International Labour Office,   [1977].  
 - viii, 50 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>9221016587 9221016595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hours of labor
<br/><br/><label>Dewey Class. No.: </label>331.257