Bakr, ʻAbd al-Raḥmān. <br/><br/>
Sāʼāt al-ʼamal. 

 -  1962? 
 - 67 p.  20 cm. 
 - # .
<br/><br/><label>LCCN: </label>ne 64000047  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hours of labor
<br/><br/><label>LC Class. No.: </label>HD5106  / .B2