Kezuhudan Umar Abdul Aziz, kesederhanaan Nik Abdul Aziz - Wan Ji Wan Husin, 1982-; Saifulamri M. Hussin (Sungai Buloh, Selangor : Kemilau Publika, 2013)
Bibliografi : p. [192]
Keywords: 'Umar ibn'Abd al-'Aziz, -- Caliph, -- d. 720; Nik Abdul Aziz Nik Mat, -- Dato' Haji, -- 1931-2015; Islamic leadership; Leadership -- Religious aspects -- Islam