K.H. Firdaus A.N.,  <br/><br/>
Khalifah Umar bin Abdul Aziz 

 - 225 pages ;   21 cm 
<br/><br/><label>ISBN: </label>9830980332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caliphs
<br/><br/><label>Dewey Class. No.: </label>297.61