Umar bin Abdul Aziz : peribadi zuhud penegak keadilan - Ibn'Abd al-Hakam,'Abd Allah, d. 829; Siddiq Fadzil; Rohayah Ismail (Kuala Lumpur : Alam Raya Enterprise, 2009)
Keywords: Umar, II, Caliph, -- d. 720; Caliphs -- Biography -- Early works to 1800; Islamic Empire -- Kings and rulers -- Early works to 1800