The moderates Umar Abdul Aziz & Nik Abdul Aziz - Wan Ji Wan Hussin, 1982-; Saifulamri M. Hussain; Masrum Dayat (Sg. Buloh, Selangor : Kemilau Publika Sdn. Bhd., 2015)
Keywords: 'Umar ibn'Abd al-'Aziz, -- Caliph, -- d. 720.; Nik Abdul Aziz Nik Mat, -- Dato' Haji, -- 1931-2015.; Leadership -- Religious aspects -- Islam; Islamic leadership