D. Maric <br/><br/>
Adapting Working Hours to Modern Needs 

 - Geneva  International Labour Office Geneva  1977 
 - 50 
 -  ISBN 92-2-101658-7 .
<br/><br/><br/>English 
<br/><br/> PBK 
<br/><br/><label>Dewey Class. No.: </label>331 1977 ADP