Siraj al-Din, Abu Bakr <br/><br/>
The book of certainty / 
by Abu Bakr Siraj Ed-Din 
 - London :  Rider,  1952 
 - 108 p. ;  19 cm. 
<br/><br/> terbitan asal 1952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sufism