Maric, D. <br/><br/>
Adapting working hours to modern needs :  the time factor in the new approach to working conditions / 
D. Maric 
 - Geneva :  International Labour Office,  1977 
 - 50 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9221016595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hours of labor