Wan Ji Wan Husin, <br/><br/>
Kezuhudan Umar Abdul Aziz kesederhanaan Nik Abdul Aziz / 
Wan Ji Wan Husin, Saifulamri M. Hussin. 
 - Sungai Buloh, Selangor :  Kemilau Publika,  2013. 
 - xxxviii, 191 pages :  illustrations ;  22 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789673610884 
<br/><br/><label>Subjects--Topical Terms: </label><br/>'Umar ibn 'Abd al-'Aziz, Caliph,  d. 720 <br/>Islamic leadership.<br/>Leadership--Religious aspects--Islam<br/>Nik Abdul Aziz Nik Mat, Dato' Haji,  1931-.