al-Mu'ayyad Billah, Yahya ibn Hamzah,  1270 or 71-ca. 1348 <br/><br/>
Tasfiyat al-qulub min daran al-awzar wa al-dhunub / 
Yahya ibn Hamzah al- Mu'ayyad Billah 
 - Beirut :  Dar al-Kutub al-Ilmiyah,  2007 
 - 440 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>2745155016  RM95.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Religious life--Islam--Early works to 1800<br/>Sufism--Early works to 1800