Gulen, Fethullah <br/><br/>
Key concepts in the practice of Sufism :  emerald hills of the heart / 
M. Fethullah Gulen ; translated by Ali Unal 
 - Somerset, N.J. :  Tughra Books,  2009 
 - xiii, 287 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9781597842044 (pbk.) (vol. 3) /  RM82.63 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sufism--Doctrines