Mariâc, D. <br/><br/>
Adapting working hours to modern needs :   the time factor in the n ew approach to working conditions /  
D. Mariâc. 
 - Geneva :   International Labour Office,   1977. 
 - viii, 50 p. :    ill. ;    24 cm. 
<br/><br/>Bibliography : p. 47-50. 
<br/><br/><label>ISBN: </label>9221016595. 9221016587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hours of labor.--------