(3CNWGA jLH Cf JUMM ai GdJGQjN (B:s (3GSJNdGa CHi HcQ GdUOjb (B/s - (3eSYhO, LeGd YHOGdgGOi eMeOs; Jum'ah, Wafa' Muhammad Raf'at (Mansurah : Dar al-Wafa', 1994)
Keywords: Abu Bakr, -- Caliph, -- d. 634