al-Attas, Syed Omar Syed Agil <br/><br/>
Umar al-Khattab :  how did he manage success? / 
Syed Omar Syed Agil. 
 - Kuala Lumpur :  Institut Perkembangan Minda,  1994. 
 - 26 pages. ;  21 cm. 
<br/><br/><label>ISBN: </label>9839184121 
<br/><br/><label>Subjects--Personal Names: </label><br/>'Umar ibn al-Khattab, Caliph,  d.644 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management--Religious aspects--Islam<br/>Economics--Religious aspects--Islam