Osman Ayub <br/><br/>
Etika kerja & profesionalisme Islam 
Osman Ayub 
 - Kuala Lumpur :  SABHA-FAMDEV ,  1988 
 - 107 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>9679991008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work--Religious aspects--Islam<br/>Work ethic